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In this episode, Sam Ashoo, MD interviews Evan Dvorin, MD about the dangers of short term steroid use.Background & Regional DifferencesDr. Dvorin's clinical journey from New England to New Orleans. Noticing increased use of corticosteroids for common conditions in the Southeast. Discussion of how steroid prescribing practices vary by region and setting.Inappropriate Steroid UseCommon conditions where steroids are often inappropriately prescribed (sinus infections, bronchitis, sciatica, rashes, plantar fasciitis, etc.). Trends showing increased steroid prescribing over time. Similar patterns observed in emergency, urgent care, and primary care settings.Risks and Side Effects of Short-Term Steroid UseShort-term steroids can cause significant side effects: infection, sepsis, bone fractures, thromboembolism, psychiatric effects, hyperglycemia. Dose-response relationship: higher doses and repeated use increase risks. Some side effects (e.g., bone loss) may persist beyond two months.Patient Communication & Shared Decision-MakingImportance of discussing risks with patients, tailored to individual risk factors (e.g., diabetes, psychiatric history, age). Strategies for educating patients and managing expectations. The role of patient education videos and resources.Impact of Provider Education & Quality MetricsOchsner Health's initiatives to reduce inappropriate steroid use. Use of CME, quality dashboards, and feedback to clinicians. Evidence that education and reporting can reduce unnecessary prescriptions.Special Populations & ScenariosConsiderations for pediatric patients and repeated dosing. Challenges when specialists recommend steroids for certain conditions (e.g., sciatica, neurosurgery cases). The need for evidence-based practice and inter-provider communication.Medical-Legal ConsiderationsLawsuits related to steroid side effects (e.g., fat atrophy, infection). Importance of documentation and informed consent.Alternatives & Symptom ManagementFocusing on treating the patient's most bothersome symptoms. Non-steroid options and the value of patient education about illness duration and expectations.ResourcesMention of Dr. Dvorin's educational video on corticosteroid side effects (available on YouTube). Reminder of EB Medicine's journals and resources for further learning.ConclusionKey takeaway: “Do no harm” and practice evidence-based medicine. Encouragement for clinicians to review their prescribing habits and educate patients.Ochsner "Side effects from corticosteroids" Video: https://www.youtube.com/watch?v=PdMJ9HYxkck
In this episode, Sam Ashoo, MD and T.R. Eckler, MD discuss the July 2025 Emergency Medicine Practice article, Emergency Department Management of Status Epilepticus in Pediatric PatientsIntroductionWelcome and brief overview of the episodePromotion of EB Medicine's $1 for 7-day trial offerWhy Pediatric Status Epilepticus MattersSeizures make up ~1% of ED visits and ~3% of EMS callsHigh-risk and high-stakes condition requiring rapid actionStatus epilepticus now defined as ≥5 minutes of seizure activityILAE's T1 and T2 timelines help define when to treat and when damage beginsCommon CausesTop contributors:Fever/infectionStructural CNS abnormalitiesToxic ingestionsGenetic/metabolic disordersAdditional factors by age:Infants: febrile seizures, chromosomal issues, traumaSchool-age: autoimmune disordersAdolescents: eclampsia, hypertension, functional disordersAlways consider non-accidental traumaPrehospital CareIM midazolam is effective and recommended (RAMPART trial)Other options: intranasal, rectal, or IV benzodiazepinesEarly benzodiazepine administration improves outcomesImportance of airway support, glucose check, and EMS flexibilityParent-administered home meds (e.g. rectal diazepam) can be helpfulED Evaluation and Initial ManagementPrioritize ABCs: Airway, Breathing, Circulation, ConsciousnessUse end-tidal CO₂ to monitor ventilation if availablePoint-of-care glucose is essentialLabs: CMP, Mg, Phos, lactate, drug levels, pregnancy test (when indicated)Imaging: Head CT if concern for trauma, shunt malfunction, or focal signsCase examples highlight pitfalls and diagnostic delaysFirst-Line TreatmentBenzodiazepines remain the cornerstoneLorazepam preferred IV agent (0.1 mg/kg)Midazolam preferred if no IV access (IN, IM, or IO)Diazepam is also effective, especially rectallyBe mindful of respiratory depression and the need for airway controlSecond- and Third-Line TherapiesBased on ESETT trial:Levetiracetam, fosphenytoin, and valproate have similar efficacyLevetiracetam favored for safety and ease of useFosphenytoin may be avoided in trauma or toxicityValproate not recommended in mitochondrial diseasePhenobarbital reserved for refractory cases onlyRefractory Status EpilepticusDefinition: persistent seizures despite first- and second-line agentsRequires sedation and likely intubationInfusion options:Midazolam (preferred for flexibility)Propofol (short-term use only due to risk of infusion syndrome)Pentobarbital (rare, ICU-level care)Need for continuous EEG to assess seizure activitySpecial ScenariosNeonates:Watch for subtle signs (lip smacking, bicycling, tongue thrusting)Broad differential includes asphyxia, infection, metabolic errorsFebrile Status Epilepticus:Higher risk of CNS infections, especially if unvaccinatedConsider lumbar puncture if indicatedElectrolyte/Metabolic Triggers:Treat hypoglycemia, hyponatremia, and hypocalcemia directlyUse 3% saline or dextrose as appropriateDisposition and Discharge ConsiderationsMany children will require ICU-level careSome known epilepsy patients may go home if back to baselineEnsure rescue medications are up to date (rectal/intranasal benzos)Consider “clonazepam bridge” for short-term seizure preventionCollaborate with neurology for medication adjustment and follow-upFinal ThoughtsKeep treatment tables and dosing references accessibleEarly, aggressive treatment can prevent long-term harmEpisode closes with gratitude to article authors and a reminder to visit EBMedicine.netEmergency Medicine Residents, get your free subscription by writing resident@ebmedicine.net
Making a major career shift is never easy, especially when you've dedicated decades to a profession that has become part of your identity. The decision to leave clinical medicine can be fraught with self-doubt, financial considerations, and the lingering question - what comes next? But at some point, the balance shifts, and the cost of staying outweighs the fear of leaving. In this episode, we explore what it takes to walk away from a stable medical career, redefine success, and craft a life that aligns with evolving priorities. Finally, we dig into strategies for managing stress, investing in personal growth, and finding fulfillment beyond the bedside.
In this episode, Sam Ashoo, MD interviews Ashley Weisman, MD about her career in rural emergency medicine, and the February 2025 Emergency Medicine Practice article, Management of Traumatic Intracranial Hemorrhage in the Emergency Department Interview with Dr. Ashley WisemanIntroduction of Dr. Wiseman: Emergency physician specializing in rural ER.Dr. Wiseman's Background: Overview of her work and responsibilities in rural hospitals and academia.Experience in Rural Medicine: Contrast with urban and academic practice.Stories of practical challenges and learning experiences in remote areas like Kotzebue, Alaska.Practicing Skills in Rural MedicineDiscussion of skill retention: Importance of continuously applying and practicing critical skills.Resources and Training: Role of fellowship, networking, and practical experiences for skill enhancement.Advocacy for Rural Emergency MedicineWork with ACEP: Dr. Wiseman's efforts in advocating for rural EM at the national level.Collaboration Between Rural and Academic Centers: Importance of knowledge exchange and mutual support.Focus on Traumatic Intracranial Hemorrhage (ICH)Introduction to the February Article: Traumatic ICH in rural settings.Key Points from the Article:Importance of basic neurocritical care practices.Practical adjustments and simplified approaches in care.Dr. Wiseman's Contribution: How her experiences shaped the content and practical advice for rural medicine.ConclusionUpcoming Contributions: Announcing more contributions and resources from Dr. Wiseman.Access the In Rural Life (IRrL*) content here.Emergency Medicine Residents, get your free subscription by writing resident@ebmedicine.netManaging Traumatic Intracranial Hemorrhage in the Rural Setting: EMP: IRrL* If you practice in a rural environment, you know that managing a patient with traumatic ICH can present challenges with diagnostic and treatment resources, personnel, training, and transport. Dr. Weisman has created resources for emergency clinicians, IRrL* (In Rural Life*) that EB Medicine is proud to share with subscribers. Resources for emergency clinicians managing patients with traumatic ICH in rural settings include: Checklist for Managing Traumatic Intracranial Hemorrhage in Rural Life (IRrL): 7 steps to providing neurocritical care in resource-limited settings.Simulation for Critical Access Neurocritical Care: Saving Brain Hours from Tertiary Care: A customizable simulation designed for you and your team to practice managing patients with brain injury.
In this episode, Sam Ashoo, MD, and TR Eckler, MD, discuss the November 2023 Pediatric Emergency Medicine Practice article, Pediatric Diabetes: Management of Acute Complications in the Emergency Department and some of the highlights from the other EB Medicine articles published in November.EpidemiologyDifferential diagnosisPrehospital careED history and physical examDiagnostic studiesPoint of care testing Labs ImagingTreatmentIV fluids, the 2-bag system Mild DKA Moderate to severe DKA Potassium and phosphate supplementation Magnesium and calcium Sodium bicarbonate Hypoglycemia HHS MonitoringComplicationsCerebral edema IntubationInsulin pumpsDispositionSummaryHighlightsEBUC - Management of Acute Asthma Exacerbations in Urgent CareEMP - Evidence-Based Emergency Department Management of Methamphetamine ToxicityPEMP - Trauma Extra - Blunt Thoracic Injuries (coming Nov. 15th)Check out the clinical pathways at https://www.ebmedicine.net/pathways
Hey everyone! We hope you enjoy part 2 of Aftershow and our interview with our good friend, Sam Ashoo. Also, we could use your help. We have started a fundraising campaign on Indiegogo! Learn how you can support Aftermath and get goodies for contributing, like a social media shout out, digital transcripts of episodes, signed artwork, and more! Visit our Indiegogo page for more information. We hope you enjoy our interview with our friend, Sam Ashoo! Sam is an emergency physician and educator. He serves as the host to EB Medicine's podcast EMplify, an emergency medicine podcast for clinicians. He is also a personal friend and supporter of Fire Pit Creative Group. Check out Emplify at https://foamed.ebmedicine.net/emplify/.Stay tuned for future interviews with FPCG! Visit our website at aftermathpodcast.net.
Hey everyone! We hope you enjoy this bonus content we're calling Aftershow. Join the creators of Aftermath, Warren Davis and Cole Hoopingarner of Fire Pit Creative Group, as we are interviewed by our good friend, Sam Ashoo.Sam is an emergency physician and educator. He serves as the host to EB Medicine's podcast EMplify, an emergency medicine podcast for clinicians. He is also a personal friend and supporter of Fire Pit Creative Group. Check out Emplify at https://foamed.ebmedicine.net/emplify/.Stay tuned for future interviews with FPCG! Visit our website at aftermathpodcast.net.
This is the second episode of Conversation, an EMplify podcast series. Episodes are shorter, more conversational, and cover a single topic relevant to practice in Emergency Medicine. This episode is a conversation between Dr. T.R. Eckler and Dr. Sam Ashoo about airway management and how it has changed in their practice over the last decade. This podcast makes reference to the EB Medicine course - Current Topics in Airway Management: Mechanical Ventilation, Supraglottic Airway Devices, and Intubating Patients With COVID-19, which can be found here: https://www.ebmedicine.net/airway-training We would love to have your feedback. Please take the listener survey: https://www.surveymonkey.com/r/ZQRWQFW Thanks for being a listener.
This is the second episode of Conversation, an EMplify podcast series. Episodes are shorter, more conversational, and cover a single topic relevant to practice in Emergency Medicine. This episode is a conversation between Dr. T.R. Eckler and Dr. Sam Ashoo about airway management and how it has changed in their practice over the last decade. This podcast makes reference to the EB Medicine course - Current Topics in Airway Management: Mechanical Ventilation, Supraglottic Airway Devices, and Intubating Patients With COVID-19, which can be found here: https://www.ebmedicine.net/airway-training We would love to have your feedback. Please take the listener survey: https://www.surveymonkey.com/r/ZQRWQFW Thanks for being a listener.
EMplify - September 2021Announcements: Be on the lookout for an announcement regarding the new EB Medicine app, coming to an App Store near you this month !! Also, this month use code SB25 and get a $25 Starbucks gift card when you subscribe at ebmedicine.net !Abnormal Uterine Bleeding in the Emergency DepartmentAuthors:Tazeen Abbas, MDAbbas Husain, MD, FACEPPhysiology reviewTerminologyDifferentiating Causes: PALM-COEINStructural: Polyp, Adenomyosis, Leiomyoma, Malignancy/HyperplasiaNon-structural: Coagulopathy, Ovulatory dysfunction, Endometrial, Iatrogenic, Not otherwise specifiedOther causes: thyroid disease, hyperprolactinemia, stress, weight loss and anorexia, heavy exerciseAge Based Differential12-18Immaturity of the hypothalamic-pituitary- ovarian axisSexually transmitted infectionsCoagulopathies, and bleeding disorders (von Willibrand disease)19-39polypsfibroidsmalignancyPCOSAge 40 and olderendometrial atrophymalignancyHistoryPhysical ExamDiagnostic StudiesTreatmentUnstableStableSpecial CasesDOACsPrepubescent girlsgenital injuries
EMplify - September 2021 Announcements: Be on the lookout for an announcement regarding the new EB Medicine app, coming to an App Store near you this month !! Also, this month use code SB25 and get a $25 Starbucks gift card when you subscribe at ebmedicine.net ! Abnormal Uterine Bleeding in the Emergency Department Authors: Tazeen Abbas, MD Abbas Husain, MD, FACEP Physiology review Terminology Differentiating Causes: PALM-COEIN Structural: Polyp, Adenomyosis, Leiomyoma, Malignancy/Hyperplasia Non-structural: Coagulopathy, Ovulatory dysfunction, Endometrial, Iatrogenic, Not otherwise specified Other causes: thyroid disease, hyperprolactinemia, stress, weight loss and anorexia, heavy exercise Age Based Differential 12-18 Immaturity of the hypothalamic-pituitary- ovarian axis Sexually transmitted infections Coagulopathies, and bleeding disorders (von Willibrand disease) 19-39 polyps fibroids malignancy PCOS Age 40 and older endometrial atrophy malignancy History Physical Exam Diagnostic Studies Treatment Unstable Stable Special Cases DOACs Prepubescent girls genital injuries
EMplify - August 2021 Announcements: Be on the lookout for an announcement regarding the new EB Medicine app, coming to an App Store near you this month !! August 2021 Pediatric Emergency Medicine Practice Less Lethal Law Enforcement Weapons Authors: Jessica Osterman, MD , Cara Buchanan, MD What kinds of less-lethal weapons are law enforcement using? Pepper spray Conducted Electrical Weapons (CEWs) K-9s Beanbag guns Rubber bullets Stingballs Differential Diagnosis Prehospital Care Trauma Informed Care Conductive Electrical Weapons - Taser Chemical Irritants- Pepper Spray, Tear Gas K9 Injuries Kinetic Impact Projectiles- Rubber Bullets, Beanbags, Sting Balls/Grenades Sounds: Police Siren https://freesound.org/people/MultiMax2121/sounds/156869/ Ambulance https://freesound.org/people/sofialomba/sounds/469413/ Angry Man https://freesound.org/people/ebcrosby/sounds/334439/ Taser https://freesound.org/people/The_Chemical_Workshop/sounds/403252/ Taser https://freesound.org/people/Greub/sounds/402636 Coughs https://freesound.org/people/freesound/sounds/25301/ Dog Bark https://freesound.org/people/ivolipa/sounds/337101/ Grenade https://freesound.org/people/superfreq/sounds/268101/
EMplify – August 2021Announcements: Be on the lookout for an announcement regarding the new EB Medicine app, coming to an App Store near you this month !!August 2021 Pediatric Emergency Medicine PracticeLess Lethal Law Enforcement WeaponsAuthors: Jessica Osterman, MD , Cara Buchanan, MDWhat kinds of less-lethal weapons are law enforcement using?Pepper sprayConducted Electrical Weapons (CEWs)K-9sBeanbag gunsRubber bulletsStingballsDifferential DiagnosisPrehospital CareTrauma Informed CareConductive Electrical Weapons – TaserChemical Irritants- Pepper Spray, Tear GasK9 InjuriesKinetic Impact Projectiles- Rubber Bullets, Beanbags, Sting Balls/GrenadesSounds:Police Siren https://freesound.org/people/MultiMax2121/sounds/156869/Ambulance https://freesound.org/people/sofialomba/sounds/469413/Angry Man https://freesound.org/people/ebcrosby/sounds/334439/Taser https://freesound.org/people/The_Chemical_Workshop/sounds/403252/Taser https://freesound.org/people/Greub/sounds/402636Coughs https://freesound.org/people/freesound/sounds/25301/Dog Bark https://freesound.org/people/ivolipa/sounds/337101/Grenade https://freesound.org/people/superfreq/sounds/268101/Last Updated on April 29, 2022
EMplify - July 2021 Announcements: Be on the lookout for an announcement regarding the new EB Medicine app, coming to an App Store near you this month !! HIV- An Interview With Dr. Daniel Egan See the EB Medicine Article @ https://www.ebmedicine.net/topics/infectious-disease/HIV Why HIV? 2018 , 1,2 million people living with HIV, almost 40k new infections People living with HIV visit the ED 3 x per year on average HIV infected patients accounted for 6 in 1000 ED visits in 2017 New Transmission of HIV, Figure 1 What does acute infection look like ? What about chronic infection ?The chronic phase can last 10 years or more and be asymptomatic. Are people with HIV more likely to develop: CAD, COPD, DVT and why? What if they are on medication for HIV? Screening in the ED, everyone? Do they have to have symptoms or risks? What does universal screening mean? What does risk based screening mean? What are the risk factors? What if I see someone on PrEP who is in the ED for an unrelated complaint? History Ask about cd4 and viral load and last test Ask about he of opportunistic infections Ask about medication side effects What else? Exam Labs - rapid testing, 4th gen, viral load and cd4, etc Imaging Treatment Table 1 Highly effective and reduces transmission Medication side effects (we don't have to dwell on each Med and side effect and just reference the charts) hep B virus deactivation System Based Disease Heart Failure and CAD PCP (role of LDH) TB COPD Renal Disease - stones , radiolucent Neurologic- CVA, cryptococcal meningitis, toxo, progressive multi focal leukoencephalopathy, HAND GI - diarrhea causes, c diff, hep C Heme- cytopenia Endocrine - metabolic syndrome Musculoskeletal Psychiatric table 3 Derm Special Circumstances PEP PrEP
EMplify – July 2021Announcements: Be on the lookout for an announcement regarding the new EB Medicine app, coming to an App Store near you this month !!HIV- An Interview With Dr. Daniel EganSee the EB Medicine Article @ https://www.ebmedicine.net/topics/infectious-disease/HIVWhy HIV? 2018 , 1,2 million people living with HIV, almost 40k new infectionsPeople living with HIV visit the ED 3 x per year on averageHIV infected patients accounted for 6 in 1000 ED visits in 2017New Transmission of HIV, Figure 1What does acute infection look like ?What about chronic infection ?The chronic phase can last 10 years or more and be asymptomatic.Are people with HIV more likely to develop: CAD, COPD, DVT and why?What if they are on medication for HIV?Screening in the ED, everyone? Do they have to have symptoms or risks?What does universal screening mean?What does risk based screening mean?What are the risk factors? What if I see someone on PrEP who is in the ED for an unrelated complaint?HistoryAsk about cd4 and viral load and last testAsk about he of opportunistic infectionsAsk about medication side effectsWhat else?ExamLabs – rapid testing, 4th gen, viral load and cd4, etcImagingTreatmentTable 1Highly effective and reduces transmissionMedication side effects (we don't have to dwell on each Med and side effect and just reference the charts)hep B virus deactivationSystem Based DiseaseHeart Failure and CADPCP (role of LDH)TBCOPDRenal Disease – stones , radiolucentNeurologic- CVA, cryptococcal meningitis, toxo, progressive multi focal leukoencephalopathy, HANDGI – diarrhea causes, c diff, hep CHeme- cytopeniaEndocrine – metabolic syndromeMusculoskeletalPsychiatric table 3DermSpecial CircumstancesPEPPrEP
EMplify - June 2021 Announcements: The Clinical Decision Making in the Emergency Department conference is June 23-27 live and virtual. More information here: https://clinicaldecisionmaking.com Be on the lookout for an announcement regarding the new EB Medicine app, coming to an App Store near you this summer !! Syncope- An Interview With Dr. James Morris See the EB Medicine Article @ https://www.ebmedicine.net/topics/cardiovascular/syncope Why syncope? Prevalence, hospitalizations, etc. Etiology: figure 1 is fantastic. Physiologic basis of syncope Neurally mediated Orthostatic - are we still doing orthostatic vitals in the ED? Cardiac Differentiating syncope from seizure Features that point to seizure Urinary incontinence Number of jerks Age? Prehospital care is all about details What did bystanders see? What do paramedics see? Any trauma? Any neuro deficits ? Glucose ECG ED History - table 4 History of similar Prodrome Associated symptoms (chest pain, neuro symptoms, etc) Falls Pre-syncope ? ED exam Vitals, vitals, vitals Orthostatic vitals ? Carotid sinus massage, why this? Do we do in the ED? ECG Brugada, blocks, VT, ST changes, etc Labs BNP, delta bnp ? Trop Lactic acid Pregnancy test CBC lutes Bun/Cr Echo - any role in the ED? CT Head PE- get this on everyone ? Is it high prevalence? Risk stratification tools- the bad and the worse Table 7, amazing Controversies Admitting the elderly Orthostatic vitals (we discussed already) Disposition
EMplify - June 2021 Announcements: The Clinical Decision Making in the Emergency Department conference is June 23-27 live and virtual. More information here: https://clinicaldecisionmaking.com Be on the lookout for an announcement regarding the new EB Medicine app, coming to an App Store near you this summer !! Syncope- An Interview With Dr. James Morris See the EB Medicine Article @ https://www.ebmedicine.net/topics/cardiovascular/syncope Why syncope? Prevalence, hospitalizations, etc. Etiology: figure 1 is fantastic. Physiologic basis of syncope Neurally mediated Orthostatic - are we still doing orthostatic vitals in the ED? Cardiac Differentiating syncope from seizure Features that point to seizure Urinary incontinence Number of jerks Age? Prehospital care is all about details What did bystanders see? What do paramedics see? Any trauma? Any neuro deficits ? Glucose ECG ED History - table 4 History of similar Prodrome Associated symptoms (chest pain, neuro symptoms, etc) Falls Pre-syncope ? ED exam Vitals, vitals, vitals Orthostatic vitals ? Carotid sinus massage, why this? Do we do in the ED? ECG Brugada, blocks, VT, ST changes, etc Labs BNP, delta bnp ? Trop Lactic acid Pregnancy test CBC lutes Bun/Cr Echo - any role in the ED? CT Head PE- get this on everyone ? Is it high prevalence? Risk stratification tools- the bad and the worse Table 7, amazing Controversies Admitting the elderly Orthostatic vitals (we discussed already) Disposition
EMplify - May 2021 Announcements: The Clinical Decision Making in the Emergency Department conference is June 23-27 live and virtual. More information here: https://clinicaldecisionmaking.com Be on the lookout for an announcement regarding the new EB Medicine app, coming to an App Store near you this summer !! Atrial Fibrillation : An Approach To Diagnosis And Management In The Emergency Department - An Interview with Dr Brian Millman Epidemiology Causes Prehospital treatment - careful with causes of the A Fib. ED Evaluation History - beware the causes Physical ECG Labs Imaging Echocardiography Treatment Rate control Calcium channel blockers Beta blockers Esmolol Magnesium Rhythm control Amiodarone Procainamide Cardioversion Watch and Wait Anticoagulation Disoposition
EMplify - May 2021 Announcements: The Clinical Decision Making in the Emergency Department conference is June 23-27 live and virtual. More information here: https://clinicaldecisionmaking.com Be on the lookout for an announcement regarding the new EB Medicine app, coming to an App Store near you this summer !! Atrial Fibrillation : An Approach To Diagnosis And Management In The Emergency Department - An Interview with Dr Brian Millman Epidemiology Causes Prehospital treatment - careful with causes of the A Fib. ED Evaluation History - beware the causes Physical ECG Labs Imaging Echocardiography Treatment Rate control Calcium channel blockers Beta blockers Esmolol Magnesium Rhythm control Amiodarone Procainamide Cardioversion Watch and Wait Anticoagulation Disoposition
You may be accustomed to hearing me speak about COVID-19. Yes, the crisis appears to be improving, and yes much remains unknown and still to be told. But today, even in the midst of pandemic, there is another, different crisis gripping our country. Racism. It did not begin this week, this year, or this century. It did not catch us by surprise. But it certainly is a crisis of pandemic proportion. And we cannot sit in silence. People of color in our communities have been deemed unequal, unworthy of justice, unworthy of life itself. I would love to say that the practice of medicine puts us above racism. But that would be a lie. I would love to say that the Hippocratic oath makes us behave differently, see the world differently, and treat people of color justly. But that too, would be a lie. Today Black Americans are suffering, and that pain is boiling over, becoming a torrent of injustice that we can no longer ignore. And our response cannot be silence. I don't know the solution, but I am listening and learning. I don't know a way to relieve the pain, as a fellow human or as a physician, but I will sit and be present. I don't know the depth of the suffering, but I lament the loss of George Floyd, Breonna Taylor, Ahmaud Arbery, and countless others. Martin Luther King Jr. said: “The ultimate measure of a man is not where he stands in moments of comfort and convenience, but where he stands at times of challenge and controversy.” So today, I want to be clear. We, at EB Medicine, stand with our brothers and sisters of color. -------------------------------------- Leave us a voicemail at 678-336-8466, ext 128 Write us at emplify@ebmedicine.net
You may be accustomed to hearing me speak about COVID-19. Yes, the crisis appears to be improving, and yes much remains unknown and still to be told. But today, even in the midst of pandemic, there is another, different crisis gripping our country. Racism. It did not begin this week, this year, or this century. It did not catch us by surprise. But it certainly is a crisis of pandemic proportion. And we cannot sit in silence. People of color in our communities have been deemed unequal, unworthy of justice, unworthy of life itself. I would love to say that the practice of medicine puts us above racism. But that would be a lie. I would love to say that the Hippocratic oath makes us behave differently, see the world differently, and treat people of color justly. But that too, would be a lie. Today Black Americans are suffering, and that pain is boiling over, becoming a torrent of injustice that we can no longer ignore. And our response cannot be silence. I don't know the solution, but I am listening and learning. I don't know a way to relieve the pain, as a fellow human or as a physician, but I will sit and be present. I don't know the depth of the suffering, but I lament the loss of George Floyd, Breonna Taylor, Ahmaud Arbery, and countless others. Martin Luther King Jr. said: “The ultimate measure of a man is not where he stands in moments of comfort and convenience, but where he stands at times of challenge and controversy.” So today, I want to be clear. We, at EB Medicine, stand with our brothers and sisters of color. -------------------------------------- Leave us a voicemail at 678-336-8466, ext 128 Write us at emplify@ebmedicine.net
Show Notes Jeff: Welcome back to EMplify, the podcast corollary to EB Medicine's Emergency Medicine Practice. I'm Jeff Nusbaum and I'm back with Nachi Gupta. Nachi: For our regular listeners, you probably noticed a lapse in recent episodes as we pulled away from our usual monthly releases. Jeff: With both of us having increasing demands on our time -- myself with business school and the busiest 21 month old in the world and Nachi with yet another entrepreneurial endeavor on the horizon -- we decided that it would be best to pass the podcast on to another host, so EMplify can continue to create and deliver the high quality materials that you deserve. Nachi: We have obviously really enjoyed creating this podcast and working closely with EB Medicine to produce it. We are deeply appreciative of you, our listeners, and your wonderful feedback and comments over the years. Without you, there would be no point in us working so hard on this. Jeff: And keep the feedback coming as we hand the reins to Dr. Sam Ashoo as the new host of EMplify. Dr. Ashoo is an Emergency Physician based out of Tallahassee Florida with a keen interest in informatics who has been featured on several other podcasts you may have heard. We can't think of a better person to take over for EMplify. I'm sure you'll really like him and the content he produces. Well, with that, let's get started on our final scheduled episode of EMplify! Nachi: As we are just about to see one of the busiest travel days of the year, that would be the Wednesday before Thanksgiving, we thought there would be no better time to discuss the September 2019 issue of EMP: Assisting With Air Travel Medical Emergencies: Responsibilities and Pitfalls. Jeff: This was a fantastic issue, thanks to the hard work by Drs. DeLaney and Greene, both of the University of Alabama Birmingham School of Medicine. Thanks as well to the peer editors, Dr. Knight, and Dr. Hill of the University of Cincinnati. Nachi: And I think you have a bit of a disclosure for this month... Show More v Jeff: Well, this is a first! Finally at the point in my career where I can announce a disclosure, though it's more of a potential conflict of interest than an actual disclosure, but certainly still worth noting. I currently spend some of my time working for STAT-MD - which is an airline consultation service run by the Center for Emergency Medicine and UPMC. Though I'm certainly a junior member of the team, in some sense, I've responded nearly 500 inflight emergencies over the last two years. Nachi: And this definitely places you are in a particularly nice position to share some information with our listeners this month, and I'll have some questions scattered throughout the episode for you too. Jeff: Sounds great, so let's dive in, starting with what I think is the most important point - qualified, active, licensed, and sober providers should volunteer to assist in the event of a medical emergency rather than decline out of fear of medicolegal concerns. Nachi: I couldn't agree more, so let me reiterate, please trust the evidence. And volunteer to help should you hear the call. We'll get to this in a bit but there is little medicolegal concern and you owe it to the sick passenger to help. Jeff: So what are the chances you are called - well, they are not particularly high, but certainly not negligible either. In 2019, of the 4 billion passengers expected to fly, there will be an estimated 60,000 medical emergencies. That means there will be about 1 emergency per every 604 flights. Nachi: So, I fly about 4 times a month for work. At 4 times per month, over the next 12 years I can expect about one medical emergency. Already excited! Let's start with some physiology. Cabin pressurization varies, but is typically equivalent to an altitude of 8000 feet. Jeff: And this has a huge effect, in one study of healthy volunteers, this change in pressure resulted in a 4-10 point decrease in oxygen saturation and a 35 point drop in arterial oxygen partial pressure from 95 mm Hg to 60. Nachi: In another study of healthy volunteers on a long haul flight, this change caused 7% of passengers to report symptoms consistent with acute altitude illness. Jeff: Due to the principles of Boyle's law, decreased cabin pressure also causes expansion of gases within anatomical spaces in the body such as the eye, GI tract, sinuses, middle ear, etc. This expansion can potentially threaten surrounding structures. Nachi: So there must be guidelines for those recent post-op for flying - right? Jeff: There certainly are, but I don't think we need to get into the weeds on this one since nobody listening will likely be doing pre-flight screenings. I think one thing to remember here, is that though cabins are pressurized to several thousand feet, they CAN be pressurized even further if necessary. The airlines don't do this because it takes a tremendous quantity of fuel to do so, but if pressurization will defer a diversion, this option may peak their interest. Though an anecdote, the only time I've ever suggested it is on a flight from someone recent post-op eye surgery who went blind midflight. We pressurized the cabin from 8000 to 4000 and then finally to sea level and his vision returned. Pretty cool stuff. But getting back to the text, next we have air quality. Only 50% of inflight air is recirculated, all of the flow is compartmentalized between sections of rows, and all the air is run through a HEPA filter. The authors note that the air is actually comparable to that of an operating room. Nachi: Then why are people always getting sick after flying…? Jeff: Well it's hard to prove, but experts believe that most post flight respiratory illnesses are likely caused by exposure to fomites on high-risk surfaces of airplanes and in airports - like the trays on the seat back. Nachi: Interesting. Jeff: It's also worth noting that the air is quite dry, though this is unlikely to produce any clinically significant events. Most of the dehydration that occurs is more likely due to inadequate water intake and excess caffeine and alcohol consumption depending on the time of day. Nachi: Don't judge. Even though it may be 8 am, some of our night shift locums friends may prefer an airport cocktail after a long week away. Jeff: Oh I'm definitely not judging, facts only over here. Anyway, let's move on to a little epidemiology. Nachi: Syncope and cardiac events account for a large proportion of in-flight emergencies, with cardiac events accounting for the largest percentage of diversions. Jeff: Gi, endocrine and respiratory emergencies follow syncope and cardiac events, with specific percentages varying based on which study you look at. Nachi: Thankfully obstetric emergencies are relatively rare, accounting for less than 0.1% of all emergencies. Jeff: Trauma and substance abuse related complaints have also been reported, but represent only a small percentage of inflight emergencies. Nachi: I think that covers the main pathologies you may encounter. Next we should touch upon the actual responders. Physicians reportedly respond 44% of the time, followed by nurses at 20% and EMS providers at about 4%. Interestingly, despite physicians being there only 44% of the time, they were involved in the care for over 70% of diversions. Jeff: It might seem crazy, but that's definitely my experience. Many physicians, especially non-ED physicians are not familiar with caring for the acutely ill. Additionally, most physicians are very uncomfortable actually witnessing someone syncopize and then immediately checking vitals and finding the passenger to be bradycardic and hypotensive as is the case with many patients immediately after a vasovagal syncopal episode. I cannot tell you how many times we get called by pilots considering diversion based on a physician's request only to have the symptoms completely resolve in just 10 minutes. Be patient, this is a common in flight pathology. Nachi: Your experience has not failed you - data from your own group showed that 31% of cases resolved before arrival. Even in cases where EMS was requested, patients were only transported 37% of the time and of those, only 8% were actually admitted for further work up. Death is also a very rare phenomenon, occurring in only 0.3% of cases. Jeff: Alright, so let's move onto the actual logistics of responding. Each airline has its own protocols and policies with respect to medical responders - some will require credentials, others may not. In some instances, you may be the first responder, in others, the flight crew may have already been in contact with their ground based medical control. Nachi: In terms of supplies, the FAA requires an emergency medical kit and an AED on all commercial flights. These kits cannot be opened without direction from a medical professional on the ground or on board. Jeff: And while airlines may add additional drugs at their discretion, the FAA mandates certain supplies. You can remember these supplies by thinking of the 5 A's - asthma, allergy, altered mental status, ACS, and ACLS. The 5 As should help you remember the bronchodilators, epinephrine, antihistamine, dextrose, nitroglycerine, aspirin, and lidocaine as the one antiarrhythmic available. Of course, there are also gloves, an IV start kit, and a few other basic supplies. Nachi: AEDs are also required and have been since 2001 and amazingly when a shock was delivered in flight, 40% survived to hospital discharge with a good outcome. Jeff: Just as on the ground, shockable rhythms do wel...
Show Notes Jeff: Welcome back to EMplify, the podcast corollary to EB Medicine's Emergency Medicine Practice. I'm Jeff Nusbaum and I'm back with Nachi Gupta. Nachi: For our regular listeners, you probably noticed a lapse in recent episodes as we pulled away from our usual monthly releases. Jeff: With both of us having increasing demands on our time -- myself with business school and the busiest 21 month old in the world and Nachi with yet another entrepreneurial endeavor on the horizon -- we decided that it would be best to pass the podcast on to another host, so EMplify can continue to create and deliver the high quality materials that you deserve. Nachi: We have obviously really enjoyed creating this podcast and working closely with EB Medicine to produce it. We are deeply appreciative of you, our listeners, and your wonderful feedback and comments over the years. Without you, there would be no point in us working so hard on this. Jeff: And keep the feedback coming as we hand the reins to Dr. Sam Ashoo as the new host of EMplify. Dr. Ashoo is an Emergency Physician based out of Tallahassee Florida with a keen interest in informatics who has been featured on several other podcasts you may have heard. We can't think of a better person to take over for EMplify. I'm sure you'll really like him and the content he produces. Well, with that, let's get started on our final scheduled episode of EMplify! Nachi: As we are just about to see one of the busiest travel days of the year, that would be the Wednesday before Thanksgiving, we thought there would be no better time to discuss the September 2019 issue of EMP: Assisting With Air Travel Medical Emergencies: Responsibilities and Pitfalls. Jeff: This was a fantastic issue, thanks to the hard work by Drs. DeLaney and Greene, both of the University of Alabama Birmingham School of Medicine. Thanks as well to the peer editors, Dr. Knight, and Dr. Hill of the University of Cincinnati. Nachi: And I think you have a bit of a disclosure for this month... Show More v Jeff: Well, this is a first! Finally at the point in my career where I can announce a disclosure, though it's more of a potential conflict of interest than an actual disclosure, but certainly still worth noting. I currently spend some of my time working for STAT-MD - which is an airline consultation service run by the Center for Emergency Medicine and UPMC. Though I'm certainly a junior member of the team, in some sense, I've responded nearly 500 inflight emergencies over the last two years. Nachi: And this definitely places you are in a particularly nice position to share some information with our listeners this month, and I'll have some questions scattered throughout the episode for you too. Jeff: Sounds great, so let's dive in, starting with what I think is the most important point - qualified, active, licensed, and sober providers should volunteer to assist in the event of a medical emergency rather than decline out of fear of medicolegal concerns. Nachi: I couldn't agree more, so let me reiterate, please trust the evidence. And volunteer to help should you hear the call. We'll get to this in a bit but there is little medicolegal concern and you owe it to the sick passenger to help. Jeff: So what are the chances you are called - well, they are not particularly high, but certainly not negligible either. In 2019, of the 4 billion passengers expected to fly, there will be an estimated 60,000 medical emergencies. That means there will be about 1 emergency per every 604 flights. Nachi: So, I fly about 4 times a month for work. At 4 times per month, over the next 12 years I can expect about one medical emergency. Already excited! Let's start with some physiology. Cabin pressurization varies, but is typically equivalent to an altitude of 8000 feet. Jeff: And this has a huge effect, in one study of healthy volunteers, this change in pressure resulted in a 4-10 point decrease in oxygen saturation and a 35 point d...
Show Notes Jeff: Welcome back to EMplify the podcast corollary to EB Medicine's Emergency medicine Practice. I'm Jeff Nusbaum and I'm back with Nachi Gupta. This month, we are tackling a topic for which the literature continues to rapidly change - we're talking about the ED management of patients taking direct oral anticoagulants or DOACs, previously called novel oral anticoagulants or NOACs. Nachi: Specifically, we'll be focusing on the use of DOACs for the indications of stroke prevention in atrial fibrillation and the treatment and prevention of recurrent venous thromboembolisms. Jeff: This month's article was authored by Dr. Patrick Maher and Dr. Emily Taub of the Icahn School of Medicine at Mount Sinai, and it was peer reviewed by Dr. Dowin Boatright from Yale, Dr. Natalie Kreitzer from the University of Cincinnati, and Dr. Isaac Tawil from the University of New Mexico. Nachi: In their quest to update the last Emergency Medicine Practice issue on this topic which was published in 2013, they reviewed over 200 articles from 2000 to present in addition to 5 systematic reviews in the cochrane database, as well as guidelines from the American Heart Association, European society of cardiology, and the american college of cardiology. Jeff: Thanks to a strong literature base, Dr's Maher and Taub found good quality evidence regarding safety and efficacy of the DOACs in relation to warfarin and the heparin-based anticoagulants. Nachi: But do note that the literature directly comparing the DOACs is far more limited and mostly of poor quality. Show More v Jeff: Fair enough, we'll take what we can get. Nachi: Well, I'm sure more of those studies are still coming. Jeff: Agree. Let's get started with some basics. Not surprisingly, DOACs now account for a similar proportion of office visits for anticoagulant use as warfarin. Nachi: With huge benefits including reduced need for monitoring and a potential for reduced bleeding complications, this certainly isn't surprising. Jeff: Though those benefits are not without challenges - most notably the lack of an effective reversal agent and the risk of unintentional overdose in patients with altered drug metabolism. Nachi: Like all things in medicine, it's about balancing and finding an acceptable risk/benefit profile. Jeff: True. Let's talk pathophysiology for a minute - the control of coagulation in the human body is a balance between hemorrhage and thrombosis, mediated by an extensive number of procoagulant and anticoagulant proteins. Nachi: Before the development of the DOACs, vitamin K antagonists controlled the brunt of the market. As their name suggests, they work by inhibiting the action of vitamin K, and thus reducing the production of clotting factors 2, 7, 9, and 10, and the anticoagulant proteins C and S. Jeff: Unfortunately, these agents have a narrow therapeutic window and many drug-drug interactions, and they require frequent monitoring - making them less desirable to many. Nachi: However, in 2010, the FDA approved the first DOAC, a real game-changer. The DOACs currently on the market work by one of two mechanisms - direct thrombin inhibition or factor Xa inhibition. Jeff: DOACs are currently approved for stroke prevention in nonvalvular afib, treatment of VTE, VTE prophylaxis, and reduction of major cardiovascular events in stable cardiovascular disease. Studies are underway to test their safety and efficacy in arterial and venous thromboembolism, prevention of embolic stroke in afib, ACS, cancer-associated thrombosis, upper extremity DVT, and mesenteric thrombosis. Nachi: Direct thrombin inhibitors like Dabigatran, tradename Pradaxa, was the first FDA approved DOAC. It works by directly inhibiting thrombin, or factor IIa, which is a serine protease that converts soluble fibrinogen into fibrin for clot formation. Jeff: Dabigatran comes in doses of 75 and 150 mg. The dose depends on your renal function, and, with a half-life of 12-15 hours, is taken twice daily. Note the drastically reduced half-life as compared to warfarin, which has a half-life of up to 60 hours. Nachi: The RE-LY trial for afib found that taking 150 mg of Dabigatran BID had a lower rate of stroke and systemic embolism than warfarin with a similar rate of major hemorrhage. Dabigatran also had lower rates of fatal and traumatic intracerebral hemorrhage than warfarin. Jeff: A separate RCT found similar efficacy in treating acute VTE and preventing recurrence compared with warfarin, with reduced rates of hemorrhage! Nachi: Less monitoring, less hemorrhage, similar efficacy, I'm sold!!! Jeff: Slow down, there's lots of other great agents out there, let's get through them all first... Nachi: Ok, so next up we have the Factor Xa inhibitors, Rivaroxaban, apixaban, edoxaban, and betrixaban.As the name suggests, these medications work by directly inhibiting the clotting of factor Xa, which works in the clotting cascade to convert prothrombin to thrombin. Jeff: Rivaroxaban, trade name Xarelto, the second FDA approved DOAC, is used for stroke prevention in those with nonvalvular afib and VTE treatment. After taking 15 mg BID for the first 21 days, rivaroxaban is typically dosed at 20 mg daily with adjustments for reduced renal function. Nachi: The Rocket AF trial found that rivaroxaban is noninferior to warfarin for stroke and systemic embolism prevention without a significant difference in risk of major bleeding. Interestingly, GI bleeding may be higher in the rivaroxaban group, though the overall incidence was very low in both groups at about 0.4% of patients per year. Jeff: In the Einstein trial, patients with VTE were randomized to rivaroxaban or standard therapy. In the end, they reported similar rates of recurrence and bleeding outcomes for acute treatment. Continuing therapy beyond the acute period resulted in similar rates of VTE recurrence and bleeding episodes to treatment with aspirin alone. Nachi: Next we have apixaban, tradename Eliquis. Apixaban is approved for afib and the treatment of venous thromboembolism. It's typically dosed as 10 mg BID for 7 days followed by 5 mg BID with dose reductions for the elderly and those with renal failure. Jeff: In the Aristotle trial, when compared to warfarin, apixaban was superior in preventing stroke and systemic embolism with lower mortality and bleeding. Rates of major hemorrhage-related mortality were also nearly cut in half at 30 days when compared to warfarin. Nachi: For the treatment of venous thromboembolism, the literature shows that apixaban has a similar efficacy to warfarin in preventing recurrence with less bleeding complications. Jeff: Unfortunately, with polypharmacy, there is increased risk of thromboembolic and hemorrhage risks, but this risk is similar to what is seen with warfarin. Nachi: And as compared to low molecular weight heparin, apixaban had higher bleeding rates without reducing venous thromboembolism events when used for thromboprophylaxis. It's also been studied in acute ACS, with increased bleeding and no decrease in ischemic events. Jeff: Edoxaban is up next, approved by the FDA in 2015 for similar indications as the other Factor Xa inhibitors. It's recommended that edoxaban be given parenterally for 5-10 days prior to starting oral treatment for VTE, which is actually similar to dabigatran. It has similar levels of VTE recurrence with fewer major bleeding episodes compared to warfarin. It has also been used with similar effects and less major bleeding for stroke prevention in afib. In the setting of cancer related DVTs specifically, as compared to low molecular weight heparin, one RCT showed lower rates of VTE but higher rates of major bleeding when compared to dalteparin. Nachi: Next we have Betrixaban, the latest Factor Xa inhibitor to be approved, back in 2017. Because it's utility is limited to venous thromboembolism prophylaxis in mostly medically ill inpatients, it's unlikely to be encountered by emergency physicians very frequently. Jeff: As a one sentence FYI though - note that in recent trials, betrixaban reduced the rate of VTE with equivalent rates of bleeding and reduced the rate of stroke with an increased rate of major and clinically relevant non-major bleeding as compared to enoxaparin. Nachi: Well that was a ton of information and background on the DOACs. Let's move on to your favorite section - prehospital medicine. Jeff: Not a ton to add here this month. Perhaps, most importantly, prehospital providers should specifically ask about DOAC usage, especially in trauma, given increased rates of complications and potential need for surgery. This can help with destination selection when relevant. Interestingly, one retrospective study found limited agreement between EMS records and hospital documentation on current DOAC usage. Nachi: Extremely important to identify DOAC use early. Once the patient arrives in the ED, you can begin your focused history and physical. Make sure to get the name, dose, and time of last administration of any DOAC. Pay particular attention to the med list and the presence of CKD which could point to altered DOAC metabolism. Jeff: In terms of the physical and initial work up - let the sites of bleeding or potential sites of bleeding guide your work up. And don't forget about the rectal exam, which potentially has some added value here - since DOACs increase the risk of GI bleeding. Nachi: Pretty straight forward history and physical, let's talk diagnostic studies. Jeff: First up is CT. There are no clear cut guidel...
Show Notes Jeff: Welcome back to EMplify the podcast corollary to EB Medicine's Emergency medicine Practice. I'm Jeff Nusbaum and I'm back with Nachi Gupta. This month, we are tackling a topic for which the literature continues to rapidly change - we're talking about the ED management of patients taking direct oral anticoagulants or DOACs, previously called novel oral anticoagulants or NOACs. Nachi: Specifically, we'll be focusing on the use of DOACs for the indications of stroke prevention in atrial fibrillation and the treatment and prevention of recurrent venous thromboembolisms. Jeff: This month's article was authored by Dr. Patrick Maher and Dr. Emily Taub of the Icahn School of Medicine at Mount Sinai, and it was peer reviewed by Dr. Dowin Boatright from Yale, Dr. Natalie Kreitzer from the University of Cincinnati, and Dr. Isaac Tawil from the University of New Mexico. Nachi: In their quest to update the last Emergency Medicine Practice issue on this topic which was published in 2013, they reviewed over 200 articles from 2000 to present in addition to 5 systematic reviews in the cochrane database, as well as guidelines from the American Heart Association, European society of cardiology, and the american college of cardiology. Jeff: Thanks to a strong literature base, Dr's Maher and Taub found good quality evidence regarding safety and efficacy of the DOACs in relation to warfarin and the heparin-based anticoagulants. Nachi: But do note that the literature directly comparing the DOACs is far more limited and mostly of poor quality. Show More v Jeff: Fair enough, we'll take what we can get. Nachi: Well, I'm sure more of those studies are still coming. Jeff: Agree. Let's get started with some basics. Not surprisingly, DOACs now account for a similar proportion of office visits for anticoagulant use as warfarin. Nachi: With huge benefits including reduced need for monitoring and a potential for reduced bleeding complications, this certainly isn't surprising. Jeff: Though those benefits are not without challenges - most notably the lack of an effective reversal agent and the risk of unintentional overdose in patients with altered drug metabolism. Nachi: Like all things in medicine, it's about balancing and finding an acceptable risk/benefit profile. Jeff: True. Let's talk pathophysiology for a minute - the control of coagulation in the human body is a balance between hemorrhage and thrombosis, mediated by an extensive number of procoagulant and anticoagulant proteins. Nachi: Before the development of the DOACs, vitamin K antagonists controlled the brunt of the market. As their name suggests, they work by inhibiting the action of vitamin K, and thus reducing the production of clotting factors 2, 7, 9, and 10, and the anticoagulant proteins C and S. Jeff: Unfortunately, these agents have a narrow therapeutic window and many drug-drug interactions, and they require frequent monitoring - making them less desirable to many. Nachi: However, in 2010, the FDA approved the first DOAC, a real game-changer. The DOACs currently on the market work by one of two mechanisms - direct thrombin inhibition or factor Xa inhibition. Jeff: DOACs are currently approved for stroke prevention in nonvalvular afib, treatment of VTE, VTE prophylaxis, and reduction of major cardiovascular events in stable cardiovascular disease. Studies are underway to test their safety and efficacy in arterial and venous thromboembolism, prevention of embolic stroke in afib, ACS, cancer-associated thrombosis, upper extremity DVT, and mesenteric thrombosis. Nachi: Direct thrombin inhibitors like Dabigatran, tradename Pradaxa, was the first FDA approved DOAC. It works by directly inhibiting thrombin, or factor IIa, which is a serine protease that converts soluble fibrinogen into fibrin for clot formation. Jeff: Dabigatran comes in doses of 75 and 150 mg. The dose depends on your renal function, and, with a half-life of 12-15 hours,
Show Notes Jeff: Welcome back to EMplify the podcast corollary to EB Medicine's Emergency Medicine Practice. I'm Jeff Nusbaum and I'm back with Nachi Gupta for the 30th episode of EMplify and the first Post-Ponte Vedra Episode of 2019. I hope everybody enjoyed a fantastic conference. This month, we are sticking in the abdomen for another round of evidence-based medicine, focusing on Emergency Department Management of Patients With Complications of Bariatric Surgery. Nachi: As the obesity epidemic continues to worsen in America, bariatric procedures are becoming more and more common, and this population is one that you will need to be comfortable seeing. Jeff: Thankfully, this month's author, Dr. Ogunniyi, associate residency director at Harbor-UCLA, is here to help with this month's evidence-based article. Nachi: And don't forget Dr. Li of NYU and Dr. Luber of McGovern Medical School, who both played a roll by peer reviewing this article. So let's dive in, starting with some background. Starting off with some real basics, obesity is defined as a BMI of greater than 30. Jeff: Oh man, already starting with the personal assaults, I see how this is gonna go… Show More v Nachi: Nah! Just some definitions, nothing personal! Jeff: Whatever, back to the article… Obesity is associated with an increased risk of hypertension, hyperlipidemia, and diabetes. Rising levels of obesity and associated co-morbidities also lead to an increase in bariatric procedures, and thereby ED visits! Nachi: One study found a 30-day ED utilization rate of 11% for those undergoing bariatric surgery with an admission rate of 5%. Another study found a 1-year post Roux-en-y ED visit rate of 31% and yet another found that 25% of these patients will require admission within 2 years of surgery. Jeff: Well that's kind worrisome. Nachi: It sure is, but maybe even more worrisome is the rising prevalence of obesity. While it was < 15% in 1990, by 2016 it reached 40%. That's almost half of the population. Additionally, back in 2010, it was estimated that 6.6% of the US population had a BMI> 40 – approximately 15.5 million adults!! Jeff: Admittedly, the US numbers look awful, and honestly are awful, but this is a global problem. From the 80's to 2008, the worldwide prevalence of obesity nearly doubled! Nachi: Luckily, bariatric surgical procedures were invented and honed to the point that they have really shown measurable achievements in sustained weight loss. Along with treating obesity, these procedures have also resulted in an improvement in associated comorbidities like hypertension, diabetes, NAFLD, and dyslipidemia. Jeff: A 2014 study even showed an up to 80% reduction in the likelihood of developing DM2 postoperatively at the 7-year mark. Nachi: Taken all together, the rising rates of obesity and the rising success and availability of bariatric procedures has led to an increased number of bariatric procedures, with 228,000 performed in the US in 2017. Jeff: And while it's not exactly core EM, we're going to briefly discuss indications for bariatric surgery, as this is something we don't often review even in academic training programs. Nachi: According to joint guidelines from the American Society for Metabolic and Bariatric Surgery, the American Association of Clinical Endocrinologists, and The Obesity Society, there are three groups that meet indications for bariatric surgery. The first is patients with a BMI greater than or equal to 40 without coexisting medical problems. The second is patients with a BMI greater than or equal to 35 with at least one obesity related comorbidity such as hypertension, hyperlipidemia, or obstructive sleep apnea. And finally, the third is patient with a BMI of 30-35 with DM or metabolic syndrome though current evidence is limited for this group. Jeff: Based on the obesity numbers, we just cited – it seems like a TON of people should be eligible for these procedures. Which again reiterates why this is such an important topic for us as EM clinicians to be well-versed in. Nachi: As far as types of procedures go – while there are many, there are 3 major ones being done in the US and these are the lap sleeve gastrectomy, Roux-en-Y gastric bypass, and lap adjustable gastric banding. In 2017, these were performed 60%, 18%, and 3% of the time. Jeff: And sadly, no two procedures were created alike and you must familiarize yourself with not only the procedure but also its associated complications. Nachi: So we have a lot to cover! overall, these surgeries are relatively safe with one 2014 review publishing a 10-17% overall complication rate and a perioperative 30 day mortality of less than 1%. Jeff: Before we get into the ED specific treatment guidelines, I think it's worth discussing the procedures in more detail first. Understanding the surgeries will make understanding the workup, treatment, and disposition in the ED much easier. Nachi: Bariatric procedures can be classified as either restrictive or malabsorptive, with restrictive procedures essentially limiting intake and malabsorptive procedures limiting nutrient absorption. Not surprisingly, combined restrictive and malabsorptive procedures like the Roux-en-y gastric bypass tend to be the most effective. Jeff: Do note, however that 2013 guidelines do not recommend one procedure over another and leave that decision up to local surgical expertise, patient specific risk factors, and treatment goals. Nachi: That's certainly an important point for the candidate patient. Let's start by discussing the lap gastric sleeve. In this restrictive procedure, 80% of the greater curvature of the stomach is excised producing early satiety and weight loss from decreased caloric intake. This has been shown to have both low mortality and a low overall rate of complications. Jeff: Next we have the lap adjustable gastric band. This is also a restrictive procedure in which a plastic band is placed laparoscopically around the fundus leaving behind a small pouch that can change in size as the reservoir is inflated and deflated percutaneously. Nachi: Unfortunately this procedure is associated with a relatively high re-operation rate – one study found 20% of patients required removal or revision. Jeff: Even more shockingly, some series showed a 52% repeat operation rate. Nachi: 20-50% chance of removal, revision, or other cause for return to ER - those are some high numbers. Finally, there is the roux-en-y gastric bypass. As we mentioned previously this is both a restrictive and a malabsorptive procedure. In this procedure, the duodenum is separated from the proximal jejunum, and the jejunum is connected to a small gastric pouch. Food therefore transits from a small stomach to the small bowel. This leads to decreased caloric intake and decreased digestion and absorption. Jeff: Those are the main 3 procedures to know about. For the sake of completeness, just be aware that there is also the biliopancreatic diversion with or without a duodenal switch, as well as a vertical banded gastroplasty. The biliopancreatic diversion is used infrequently but is one of the most effective procedure in treating diabetes, though it does have an increased risk of complications. Expect to see this mostly in those with BMIs over 50. Nachi: Now that you have a sense of the procedures, let's talk complications, both general and specific. Jeff: Of course, it should go without saying that this population is susceptive to all the typical post-operative complications such as venous thromboembolic disease, atelectasis, pneumonia, UTIs, and wound complications. Nachi: Because of their typical comorbidities, CAD and PE are still the leading causes of mortality, especially within the perioperative period. Jeff: Also, be on the lookout for self-harm emergencies as patients with known psychiatric disorders are at increased risk following bariatric surgery. Nachi: Surgical complications are wide ranging and can be grouped into early and late complications. More on this later… Jeff: Nutritional deficiencies are common enough to warrant pre and postoperative screening. Thiamine deficiency is one of the most common deficiencies. This can manifest within 1-3 months of surgery as beriberi or later as Wernicke encephalopathy. Symptoms of beriberi include peripheral neuropathy, ataxia, muscle weakness, high-output heart failure, LE edema, and respiratory distress. Nachi: All of that being said, each specific procedure has it's own unique set of complications that we should discuss. Let's start with the sleeve gastrectomy. Jeff: Early complications of sleeve gastrectomy include staple-line leaks, strictures, and hemorrhage. Leakage from the staple line typically presents within the first week, but can present up to 35 days, usually with fevers, tachycardia, abdominal pain, nausea, vomiting sepsis, or peritonitis. This is one of the most serious and dreaded early complications and represents an important cause of morbidity with an incidence of 3-7%. Nachi: Strictures commonly occur at the incisura angularis of the remnant stomach and are usually due to ischemia, leaks, or twisting of the gastric pouch. Patients with strictures usually have n/v, reflux, and intolerance to oral intake. Jeff: Hemorrhag...
Show Notes Jeff: Welcome back to EMplify the podcast corollary to EB Medicine's Emergency Medicine Practice. I'm Jeff Nusbaum and I'm back with Nachi Gupta for the 30th episode of EMplify and the first Post-Ponte Vedra Episode of 2019. I hope everybody enjoyed a fantastic conference. This month, we are sticking in the abdomen for another round of evidence-based medicine, focusing on Emergency Department Management of Patients With Complications of Bariatric Surgery. Nachi: As the obesity epidemic continues to worsen in America, bariatric procedures are becoming more and more common, and this population is one that you will need to be comfortable seeing. Jeff: Thankfully, this month's author, Dr. Ogunniyi, associate residency director at Harbor-UCLA, is here to help with this month's evidence-based article. Nachi: And don't forget Dr. Li of NYU and Dr. Luber of McGovern Medical School, who both played a roll by peer reviewing this article. So let's dive in, starting with some background. Starting off with some real basics, obesity is defined as a BMI of greater than 30. Jeff: Oh man, already starting with the personal assaults, I see how this is gonna go… Show More v Nachi: Nah! Just some definitions, nothing personal! Jeff: Whatever, back to the article… Obesity is associated with an increased risk of hypertension, hyperlipidemia, and diabetes. Rising levels of obesity and associated co-morbidities also lead to an increase in bariatric procedures, and thereby ED visits! Nachi: One study found a 30-day ED utilization rate of 11% for those undergoing bariatric surgery with an admission rate of 5%. Another study found a 1-year post Roux-en-y ED visit rate of 31% and yet another found that 25% of these patients will require admission within 2 years of surgery. Jeff: Well that's kind worrisome. Nachi: It sure is, but maybe even more worrisome is the rising prevalence of obesity. While it was < 15% in 1990, by 2016 it reached 40%. That's almost half of the population. Additionally, back in 2010, it was estimated that 6.6% of the US population had a BMI> 40 – approximately 15.5 million adults!! Jeff: Admittedly, the US numbers look awful, and honestly are awful, but this is a global problem. From the 80's to 2008, the worldwide prevalence of obesity nearly doubled! Nachi: Luckily, bariatric surgical procedures were invented and honed to the point that they have really shown measurable achievements in sustained weight loss. Along with treating obesity, these procedures have also resulted in an improvement in associated comorbidities like hypertension, diabetes, NAFLD, and dyslipidemia. Jeff: A 2014 study even showed an up to 80% reduction in the likelihood of developing DM2 postoperatively at the 7-year mark. Nachi: Taken all together, the rising rates of obesity and the rising success and availability of bariatric procedures has led to an increased number of bariatric procedures, with 228,000 performed in the US in 2017. Jeff: And while it's not exactly core EM, we're going to briefly discuss indications for bariatric surgery, as this is something we don't often review even in academic training programs. Nachi: According to joint guidelines from the American Society for Metabolic and Bariatric Surgery, the American Association of Clinical Endocrinologists, and The Obesity Society, there are three groups that meet indications for bariatric surgery. The first is patients with a BMI greater than or equal to 40 without coexisting medical problems. The second is patients with a BMI greater than or equal to 35 with at least one obesity related comorbidity such as hypertension, hyperlipidemia, or obstructive sleep apnea. And finally, the third is patient with a BMI of 30-35 with DM or metabolic syndrome though current evidence is limited for this group. Jeff: Based on the obesity numbers, we just cited – it seems like a TON of people should be eligible for these procedures.
Show Notes Jeff: Welcome back to EMplify the podcast corollary to EB Medicine's Emergency medicine Practice. I'm Jeff Nusbaum and I'm back with Nachi Gupta for your regularly scheduled monthly dose of evidence based medicine. This month, we are tackling an incredibly important topic – Assessing abdominal pain in adults, a rational, cost effective, and evidence-based strategy. Nachi: This incredibly important topic was chosen to mark the 20th anniversary of Emergency Medicine Practice. It is actually a revision of the first issue of Emergency Medicine Practice in 1999, now with updated evidence and recommendations. Thanks Robert Williford and Dr. Colucciello for getting this all started 2 decades ago! Jeff: Wow – 20 years – that's amazing considering Emergency Medicine as a specialty hadn't even been around all that long at the time and as Dr. Jagoda writes in his intro “evidence based education was still finding its footing.” Nachi: As a tribute to the man who started it all, EB Medicine again turned to Dr. Colucciello, who is no longer wearing his editor in chief hat, but instead is a professor at the University of North Carolina School of Medicine, to update his original article with the latest evidence. Jeff: Before we dive into the meat and potatoes of this month's issue, let me also recognize Drs. Taylor and Shaukat of Emory and Coney Island Hospital respectively for their efforts in peer reviewing this huge topic. Show More v Nachi: For a number of reasons, this month is going to be a little different. You will notice that we will focus more on safe disposition instead of on diagnosis. Which is reasonable, as that is the crux of our job as emergency physicians. Jeff: Indeed. So for those of you who can't wait, here's a quick spoiler, The CBC isn't all that useful. CT is good but you really should learn ultrasound, and lastly, sick patients need prompt consultation and resuscitation, not rapid trips to radiology. Nachi: All valid points, but let's dive in too some actual detail. Jeff: Abdominal pain is the one of most frequent complaint in US emergency departments, representing 8% of all adult ED visits, with admission rates for all patients with abdominal pain ranging between 18-42% and reaching as high as 60% for the elderly. Nachi: With respect to the elderly, statistically speaking, 20% presenting with abdominal pain will undergo surgery, and 5% will die. Jeff: Often the etiology of the abdominal pain is never determined. This happens up to 40% of the time by the end of the ED visit. Nachi: I feel like that needs to be restated for emphasis – nearly half of patients who present to the ED with abdominal pain will have no determined etiology for their pain. Clearly, that doesn't mean you are a bad ED physician – it's just the way it goes. Jeff: Definitely still a win to be told you aren't having an intra-abdominal catastrophe at the end of your visit! Nachi: Moving on to pathophysiology. Visceral pain results from distention or inflammation of the hollow organs or from ischemia from any internal organ, while the more localized, somatic pain is typically from irritation of the adjacent peritoneum. Jeff: And don't forget about referred pain. Due to the movement of organs and stretching of nerve pathways during fetal development, pain may be referred to distant sites, like diaphragmatic irritation presenting as shoulder pain. Nachi: Let's talk differential diagnosis. The differential for abdominal pain is tremendously broad and includes both intra-abdominal and extra abdominal pathologies. Check out table 2 for a very thorough list. Jeff: Table 1 is also worth reviewing while you're on page 3 as it lists a few of the common dangerous mimics that often lead to misdiagnosis on initial presentation. To highlight a few – a AAA can masquerade as renal colic, diverticulitis, or a lumbar strain; an ectopic may present similar to PID, a UTI, or a corpus luteum cyst, and mesenteric ischemia may present shockingly similar to gastroenteritis, constipation, ileus, or an SBO. Nachi: Though misdiagnosis is certainly possible at any age, one must be particularly cautious with the elderly. Abdominal pain in the elderly is complicated by a number of factors, they often have no fever, no leukocytosis, or no localized tenderness despite surgical disease, surgical problems progress more rapidly, and lastly, they are at risk for vascular catastrophes, which don't typically afflict the younger population Jeff: Dr. Colucciello closes the section on the elderly with a really thought-provoking point – we routinely admit 75 year old with chest pain and benign exams, yet we readily discharge a 75 year old with abdominal pain and a benign exam even though the morbidity and mortality of abdominal pain in this group exceeds that of the chest pain group. Nachi: That's an interesting perspective, but we still have to think about this in the context of what an admission would offer in either of these cases. Most of the testing for abdominal pain can be done in the ED, CT being the workhorse. This point certainly merits more thought though. Jeff: Most clinicians have a low threshold to scan their elderly patients with abdominal pain, and the data behind this practice is quite compelling. In one study, CT altered the admission decision in 26%, need for surgery in 12%, the need for antibiotics in 21%, and changed the suspected diagnosis in 45%. Nachi: That latter figure, 45% change in suspected diagnosis, that was also confirmed in another study in which CT revealed a clinically unsuspected diagnosis in 43% of the elderly. Jeff: And it's worth mentioning, that even though CT may be the go-to-tool - biliary tract disease, which we know is best visualized on ultrasound, is actually the most common cause of abdominal pain, especially sudden onset abdominal pain in the elderly. Nachi: The next higher risk group to discuss are patients with HIV. While anti retroviral therapy has certainly decreased the burden of opportunistic infections, don't forget to keep a broader differential in this group including bacterial enterocolitis, drug-induced pancreatitis, or AIDS related cholangiopathy Jeff: Definitely make sure to check to see if the patient has a recent CD4 count to give you a sense of their disease and what they may be at risk for. At less than 200, cryptosporidium, isospora, cyclospora, and microsporidium all make their way onto the differential in addition to the standard players. Nachi: For more information on HIV and its management, check out the February 2016 issue of Emergency Medicine Practice, which covered this and more in depth. Jeff: The next high risk population we are going to discuss are women of childbearing age. Step one is always the same - diagnose pregnancy! Always get a pregnancy test for women between menarche and menopause. Nachi: The pregnancy test is important not only for diagnosing an intrauterine pregnancy, but it's also a reminder, that we need to consider and rule out an ectopic. Jeff: Along similar lines, you also need to consider torsion, especially in your pregnant population, as 20% of cases of ovarian torsion occur during pregnancy. Nachi: Unfortunately, you cannot rely on the physical exam alone in this age group, as the pelvic exam may be misleading. Up to a quarter of women with appendicitis can exhibit cervical motion tenderness -- a finding typically associated with PID. Sadly, errors are common and ⅓ of women of childbearing age who ultimately were found to have appendicitis were initially misdiagnosed. Jeff: To help reduce your risk in the pregnant population, consider imaging, particularly with radiation reduction strategies, including using ultrasound and MRI, which is gaining favor in the diagnosis of appendicitis in pregnancy. Nachi: Diagnosis of appendicitis, in a pregnant patient, ultrasound vs. mri. Sounds familiar. Didn't we just talk about this in Episode 24 back in January? Jeff: We sure did! Take another listen if that doesn't ring a bell. Nachi: That was focused on first trimester only, but while we're talking about appendicitis in pregnancy - keep in mind that during the second half of pregnancy, the appendix has moved out of the RLQ and is more likely to be found in the RUQ. Jeff: As yes, the classic RUQ appendix. As if our jobs weren't hard enough, now anatomy is changing… Anyway, the last high risk group we are going to discuss here are those patients with prior abdominal surgery. Make sure to ALWAYS examine the patient's exposed skin to look for scars. Adhesions are the leading cause of SBOs in the industrialized world, followed by malignancy, IBS, and internal or external hernias. Nachi: Also keep a high index of suspicion for patients who have undergone bariatric surgery. They are especia...
Show Notes Jeff: Welcome back to EMplify the podcast corollary to EB Medicine's Emergency medicine Practice. I'm Jeff Nusbaum and I'm back with Nachi Gupta for your regularly scheduled monthly dose of evidence based medicine. This month, we are tackling an incredibly important topic – Assessing abdominal pain in adults, a rational, cost effective, and evidence-based strategy. Nachi: This incredibly important topic was chosen to mark the 20th anniversary of Emergency Medicine Practice. It is actually a revision of the first issue of Emergency Medicine Practice in 1999, now with updated evidence and recommendations. Thanks Robert Williford and Dr. Colucciello for getting this all started 2 decades ago! Jeff: Wow – 20 years – that's amazing considering Emergency Medicine as a specialty hadn't even been around all that long at the time and as Dr. Jagoda writes in his intro “evidence based education was still finding its footing.” Nachi: As a tribute to the man who started it all, EB Medicine again turned to Dr. Colucciello, who is no longer wearing his editor in chief hat, but instead is a professor at the University of North Carolina School of Medicine, to update his original article with the latest evidence. Jeff: Before we dive into the meat and potatoes of this month's issue, let me also recognize Drs. Taylor and Shaukat of Emory and Coney Island Hospital respectively for their efforts in peer reviewing this huge topic. Show More v Nachi: For a number of reasons, this month is going to be a little different. You will notice that we will focus more on safe disposition instead of on diagnosis. Which is reasonable, as that is the crux of our job as emergency physicians. Jeff: Indeed. So for those of you who can't wait, here's a quick spoiler, The CBC isn't all that useful. CT is good but you really should learn ultrasound, and lastly, sick patients need prompt consultation and resuscitation, not rapid trips to radiology. Nachi: All valid points, but let's dive in too some actual detail. Jeff: Abdominal pain is the one of most frequent complaint in US emergency departments, representing 8% of all adult ED visits, with admission rates for all patients with abdominal pain ranging between 18-42% and reaching as high as 60% for the elderly. Nachi: With respect to the elderly, statistically speaking, 20% presenting with abdominal pain will undergo surgery, and 5% will die. Jeff: Often the etiology of the abdominal pain is never determined. This happens up to 40% of the time by the end of the ED visit. Nachi: I feel like that needs to be restated for emphasis – nearly half of patients who present to the ED with abdominal pain will have no determined etiology for their pain. Clearly, that doesn't mean you are a bad ED physician – it's just the way it goes. Jeff: Definitely still a win to be told you aren't having an intra-abdominal catastrophe at the end of your visit! Nachi: Moving on to pathophysiology. Visceral pain results from distention or inflammation of the hollow organs or from ischemia from any internal organ, while the more localized, somatic pain is typically from irritation of the adjacent peritoneum. Jeff: And don't forget about referred pain. Due to the movement of organs and stretching of nerve pathways during fetal development, pain may be referred to distant sites, like diaphragmatic irritation presenting as shoulder pain. Nachi: Let's talk differential diagnosis. The differential for abdominal pain is tremendously broad and includes both intra-abdominal and extra abdominal pathologies. Check out table 2 for a very thorough list. Jeff: Table 1 is also worth reviewing while you're on page 3 as it lists a few of the common dangerous mimics that often lead to misdiagnosis on initial presentation. To highlight a few – a AAA can masquerade as renal colic, diverticulitis, or a lumbar strain; an ectopic may present similar to PID, a UTI, or a corpus luteum cyst,
Show Notes Jeff: Welcome back to EMplify, the podcast corollary to EB Medicine's Emergency Medicine Practice. I'm Jeff Nusbaum, and I'm back with my co-host, Nachi Gupta. This month, we're moving into uncharted territories for the podcast… we're talking psychiatry Nachi: Specifically, we'll be discussing Depressed and Suicidal Patients in the emergency department. Jeff: As a quick survey of our audience before we begin, how many of you routinely encounter co-morbid psychiatric conditions in your ED patients, especially depression? Nachi: That would certainly be all of our listeners! Jeff: And how many of you struggle to admit or transfer patients for a formal psychiatric eval? Show More v Nachi: Again, just about all of our listeners I'm sure! Jeff: And finally, how many of you wish there was a clearly outlined evidence-based approach to managing such patients to improve care and outcomes? Nachi: That would certainly be helpful. So now that we are all in agreement with just how necessary this episode is, let's dive in. Jeff: This month's issue was authored by Dr. Bernard Chang, Katherine Tezanos, Ilana Gratch and Dr. Christine Cha, who are all at Columbia University. Nachi: In addition, it was peer reviewed by Dr. Nicholas Schwartz of Mount Sinai School of Medicine in New York and Dr. Scott Zeller of the university of California-Riverside. Jeff: Quite the team, from a variety of backgrounds. Nachi: And just to put this topic into perspective - annually, there are more than 12 million ED visits for substance abuse and mental health crises. This represents nearly 12.5% of all ED visits. Of note, among these visits, nearly 650,000 individuals are evaluated for suicide attempt. Jeff: Looking more in depth, of the mental health complaints we see daily, mood disorders are the most common, representing 43%, followed by anxiety disorders, 26%, and then alcohol related conditions at 23% Nachi: And as is often the case, these numbers are likely underestimates, as many psychiatric complaints, especially depression, often go unnoticed by the patients and providers alike. In one study of patients who presented with unexplained chest and somatic complaints, 23% met the criteria for a major depressive episode. Jeff: Sad, but terrifying, though I suppose it all makes this issue so much more valuable. Nachi: Before we get to the evidence and an evidence-based approach, let's start with some definitions. Jeff: Certainly a good place to start, but let me preface this with an important point - arriving at a specific psychiatric diagnosis in the ED is likely neither feasible nor realistic due to the obvious limitations, most namely, time - instead, you should focus on assessing and collecting information on the presenting symptoms and taking a comprehensive psychiatric and medical history. Nachi: According to DSM-5, to diagnose a major depressive disorder you must have 5 or more of the following: depressed mood, decreased interest or pleasure in most activities, body weight change, insomnia or hypersomnia, restlessness or slowing, fatigue, feelings of worthlessness or guilt, diminished ability to think or concentrate or indecisiveness, or finally recurrent thoughts of death and or suicide. In addition, at least 1 of the symptoms must be either a depressed mood or loss of interest. Jeff: These symptoms must last most of the day, nearly every day, for 2 weeks. Nachi: And these symptoms must cause clinically significant distress or impairment across multiple areas of functioning. Jeff: So those were criterion A and B. Criterion C, D, and E state that a MDD does not include factors from substance use or medical conditions, psychotic disorders, or manic episodes. Nachi: Once you've had the symptoms for 2 years with little interruption, you likely qualify for a persistent depressive disorder rather than a MDD. Jeff: And if your symptoms repeatedly co-occur around menses, this is more likely premenstrual dysphoric disorder. Nachi: Moving on to suicide and suicide related concepts. Suicidal ideation is the consideration or desire to kill oneself. Jeff: These can be active or passive thoughts, for example, “I don't want to be alive” vs “I want to kill myself.” Nachi: Other important terms include, the suicide plan, suicide attempt, suicide gesture and nonsuicidal self-injury. The plan typically includes the how, where, and when a person will carry out their attempt. Jeff: A suicide gesture is an action or statement that makes others believe that a person wants to kill him or herself, regardless of the actual plan. Nachi: I think that's good for definitions, let's discuss some more epidemiology. Based on 2005 data, the prevalence of 1 month MDD was 5% with a lifetime prevalence of major depression of 13%. Jeff: If those figures seem a bit high, another CDC study found that in a general population survey of a quarter million people between 2006-2008, 9% met the criteria for major depression. Pretty big numbers... Nachi: Sadly, though outpatient visits for depression and suicide related complaints have decreased over the years, while ED visits remain stable, implying that the ED is a critical entry point for depressed and suicidal patients. Jeff: It's important to also recognize at risk populations. In several studies, the prevalence of MDD is reported as being nearly twice as high in women as it is in men. Nachi: MDD is also much more common in younger adults, with a prevalence of about 20% in those under 65 and a prevalence of just 10% in those 65 and older. Jeff: Additionally, being never-married / widowed / or divorced, being black or hispanic, having poor social support, major life events, and have a history of substance abuse are all serious risk factors for depression. Nachi: In terms of suicidality, nearly half of depressed adults in one study felt that they wanted to die, with ⅓ having thought about suicide. Taking it one step further, somewhere between 14-31% of depressed adults have attempted suicide, and roughly 1 in 10 depressed adults ultimately die by suicide. Jeff: And while it seems crass to even mention the financial impact, the number is shocking - suicide has an estimated economic burden of $5.4 billion per year in the US. Nachi: That's an incredible amount and much more than I would have guessed. Jeff: In terms specific risk factors for suicide and suicide related complaints - white men over 80 have the highest rate of suicide death in the US, with 51.6 deaths per year per 100,000 individuals. Nachi: You snuck in an important word there - suicide DEATH. While old people die the most from suicide, younger adults attempt suicide more often. Jeff: Along similar lines, while women attempt suicide nearly 4 times more frequently than men, men are 3 times more likely to die by suicide, likely related to their respective choice of suicide methods. Nachi: Lesbian, gay, and bisexual men or women are another at risk population, with rates of suicidal ideations being nearly twice that of their heterosexual counterparts Jeff: Despite the litany of risk factors we just ran through, the strongest single predictor for suicide related outcomes is a prior history of suicidal ideation or attempt, with individuals who have made a previous attempt being nearly 6 times more likely to make another. Nachi: And lastly, those who have had symptoms severe enough to warrant psychiatric admission have an increased lifetime risk of suicide also at 8.6% vs 0.5% for the general population, in one study. Jeff: Alright, so that wraps up the background, let's move on to the actual evaluation. Nachi: When forming your differential, a crucial aspect is identifying potential secondary causes of depressive symptoms, as many depressive symptoms are driven by etiologies that require different management strategies and treatment. Be on the lookout for toxic-metabolic, infectious, neurologic disturbances, medication side effects, and recent medical events as the etiology for depressive episodes and suicidality. Jeff: Excellent point, which we'll reiterate a few times throughout the episode - always be on the lookout for medical causes of new psychiatric symptoms. Next, we have my favorite, prehospital care - when doing your scene assessment, look out for possible signs of overdose such as empty pill bottles lying around. It's also important to assess for the presence of firearms. Of course, this should not be done at the expense of acute medical stabilization. Nachi: And don't forget to consider transport directly to institutions with full psychiatric services, especially for those with active suicidal ideations. Jeff: Once in the ED - start by maximizing the patient's privacy. Always use a nonjudgmental approach and use open-ended questions. Nachi: If feasible, map the chronology of depressive symptoms and their impact on the patient's functional status. It's also important to elicit any psychiatric history, including prior hospitalizations. Jeff: Screening for suicidality is critical in all patients with depressive symptoms given the elevated risk in this population. Though not broadly adopted in many EDs, there are a number of screening tools to assist you in...
Show Notes Jeff: Welcome back to EMplify, the podcast corollary to EB Medicine's Emergency Medicine Practice. I'm Jeff Nusbaum, and I'm back with my co-host, Nachi Gupta. This month, we're moving into uncharted territories for the podcast… we're talking psychiatry Nachi: Specifically, we'll be discussing Depressed and Suicidal Patients in the emergency department. Jeff: As a quick survey of our audience before we begin, how many of you routinely encounter co-morbid psychiatric conditions in your ED patients, especially depression? Nachi: That would certainly be all of our listeners! Jeff: And how many of you struggle to admit or transfer patients for a formal psychiatric eval? Show More v Nachi: Again, just about all of our listeners I'm sure! Jeff: And finally, how many of you wish there was a clearly outlined evidence-based approach to managing such patients to improve care and outcomes? Nachi: That would certainly be helpful. So now that we are all in agreement with just how necessary this episode is, let's dive in. Jeff: This month's issue was authored by Dr. Bernard Chang, Katherine Tezanos, Ilana Gratch and Dr. Christine Cha, who are all at Columbia University. Nachi: In addition, it was peer reviewed by Dr. Nicholas Schwartz of Mount Sinai School of Medicine in New York and Dr. Scott Zeller of the university of California-Riverside. Jeff: Quite the team, from a variety of backgrounds. Nachi: And just to put this topic into perspective - annually, there are more than 12 million ED visits for substance abuse and mental health crises. This represents nearly 12.5% of all ED visits. Of note, among these visits, nearly 650,000 individuals are evaluated for suicide attempt. Jeff: Looking more in depth, of the mental health complaints we see daily, mood disorders are the most common, representing 43%, followed by anxiety disorders, 26%, and then alcohol related conditions at 23% Nachi: And as is often the case, these numbers are likely underestimates, as many psychiatric complaints, especially depression, often go unnoticed by the patients and providers alike. In one study of patients who presented with unexplained chest and somatic complaints, 23% met the criteria for a major depressive episode. Jeff: Sad, but terrifying, though I suppose it all makes this issue so much more valuable. Nachi: Before we get to the evidence and an evidence-based approach, let's start with some definitions. Jeff: Certainly a good place to start, but let me preface this with an important point - arriving at a specific psychiatric diagnosis in the ED is likely neither feasible nor realistic due to the obvious limitations, most namely, time - instead, you should focus on assessing and collecting information on the presenting symptoms and taking a comprehensive psychiatric and medical history. Nachi: According to DSM-5, to diagnose a major depressive disorder you must have 5 or more of the following: depressed mood, decreased interest or pleasure in most activities, body weight change, insomnia or hypersomnia, restlessness or slowing, fatigue, feelings of worthlessness or guilt, diminished ability to think or concentrate or indecisiveness, or finally recurrent thoughts of death and or suicide. In addition, at least 1 of the symptoms must be either a depressed mood or loss of interest. Jeff: These symptoms must last most of the day, nearly every day, for 2 weeks. Nachi: And these symptoms must cause clinically significant distress or impairment across multiple areas of functioning. Jeff: So those were criterion A and B. Criterion C, D, and E state that a MDD does not include factors from substance use or medical conditions, psychotic disorders, or manic episodes. Nachi: Once you've had the symptoms for 2 years with little interruption, you likely qualify for a persistent depressive disorder rather than a MDD. Jeff: And if your symptoms repeatedly co-occur around menses, this is more likely premenstrual dysphoric disorder....
Show Notes Jeff: Welcome back to EMplify, the podcast corollary to EB Medicine's Emergency Medicine Practice. I'm Jeff Nusbaum, and I'm back with my co-host, Nachi Gupta. This month, we're moving from the trauma bay back to a more private setting, to discuss Emergency Department Diagnosis and Treatment of Sexually Transmitted Diseases. Nachi: And for those of you who follow along with the print issue and might be reading in a public place, this issue has a few images that might not be ideal for wandering eyes. Jeff: I'd say we need a “not safe for work” label on this episode, though I think we are one of the unique workplaces where this is actually quite safe. Nachi: And we're obviously pushing for “safe” practices this month. The article was authored by Dr. Pfenning-Bass and Dr. Bridges from the University of South Carolina School of medicine. It was edited by Dr. Borhart of Georgetown University and Dr. Castellone of Eastern Connecticut Health Network. Jeff: Thanks, team for this deep dive. Nachi: STDs or STIs are incredibly common and often under recognized by both the public and health care providers. Jeff: In addition, the rates of STDs in the US continue to rise, partly due to the fact that many patients have minimal to no symptoms, leading to unknowing rapid spread and an estimated 20 million new STDs diagnosed each year. Treating these 20 million cases amounts to a whopping $16 billion dollars worth of care annually. Nachi: 20 million! Kinda scary if you step back and think about it. Jeff: Definitely, perhaps even more scary, undiagnosed and untreated STDs can lead to infertility, ectopic pregnancies, spontaneous abortions, chronic pelvic pain and chronic infections. On top of this, there is also growing antibiotic resistance, making treatment more difficult. Nachi: All the more reason we need evidence based guidelines, which our team from South Carolina has nicely laid out after reviewing 107 references dating back to 1990, as well as guidelines from the CDC and the national guideline clearinghouse. Jeff: Alright, so let's start with some basics: pathophysiology, prehospital care, and the H&P. STDs are caused by bacteria, viruses, or parasites that are transmitted vaginally, anally, or orally during sexual contact, or passed from a mother to her baby during delivery and breastfeeding. Nachi: In terms of prehospital care, first, make sure you are practicing proper precautions and don appropriate personal protective equipment to eliminate or reduce the chance of bloodborne and infectious disease exposure. In those with concern for possible sexual assault, consider transport to facilities capable of performing these sensitive exams. Jeff: As in many of the prehospital sections we have covered -- a destination consult could be very appropriate here if you're unsure of the assault capabilities at your closest ER. Nachi: And in such circumstances, though patient care comes first, make sure to balance medical stabilization with the need to protect evidence. Jeff: Exactly. Moving on to the ED… The history and physical should be conducted in a private setting. For the exam, have a chaperone present, whose name you can document. The “5 Ps” are a helpful starting point for your history: partners, practices, prevention of pregnancy, protection from STDs, and past STDs. Nachi: 5 p's, I actually haven't heard this mnemonic before, but I like it and will certainly incorporate it into my practice. Again, the 5 p's stand for: partners, practices, prevention of pregnancy, protection from STDs, and past STDs. After you have gathered all of your information, make sure to end with an open ended question like “Is there anything else about your sexual practices that I need to know?” Jeff: Though some of the information and even the history gathering may make you or the patient somewhat uncomfortable, it's essential. Multiple partners, anonymous partners, and no condom use all increase the risk of multiple infections.
Show Notes Jeff: Welcome back to EMplify, the podcast corollary to EB Medicine's Emergency Medicine Practice. I'm Jeff Nusbaum, and I'm back with my co-host, Nachi Gupta. This month, we're moving from the trauma bay back to a more private setting, to discuss Emergency Department Diagnosis and Treatment of Sexually Transmitted Diseases. Nachi: And for those of you who follow along with the print issue and might be reading in a public place, this issue has a few images that might not be ideal for wandering eyes. Jeff: I'd say we need a “not safe for work” label on this episode, though I think we are one of the unique workplaces where this is actually quite safe. Nachi: And we're obviously pushing for “safe” practices this month. The article was authored by Dr. Pfenning-Bass and Dr. Bridges from the University of South Carolina School of medicine. It was edited by Dr. Borhart of Georgetown University and Dr. Castellone of Eastern Connecticut Health Network. Jeff: Thanks, team for this deep dive. Nachi: STDs or STIs are incredibly common and often under recognized by both the public and health care providers. Jeff: In addition, the rates of STDs in the US continue to rise, partly due to the fact that many patients have minimal to no symptoms, leading to unknowing rapid spread and an estimated 20 million new STDs diagnosed each year. Treating these 20 million cases amounts to a whopping $16 billion dollars worth of care annually. Nachi: 20 million! Kinda scary if you step back and think about it. Jeff: Definitely, perhaps even more scary, undiagnosed and untreated STDs can lead to infertility, ectopic pregnancies, spontaneous abortions, chronic pelvic pain and chronic infections. On top of this, there is also growing antibiotic resistance, making treatment more difficult. Nachi: All the more reason we need evidence based guidelines, which our team from South Carolina has nicely laid out after reviewing 107 references dating back to 1990, as well as guidelines from the CDC and the national guideline clearinghouse. Jeff: Alright, so let's start with some basics: pathophysiology, prehospital care, and the H&P. STDs are caused by bacteria, viruses, or parasites that are transmitted vaginally, anally, or orally during sexual contact, or passed from a mother to her baby during delivery and breastfeeding. Nachi: In terms of prehospital care, first, make sure you are practicing proper precautions and don appropriate personal protective equipment to eliminate or reduce the chance of bloodborne and infectious disease exposure. In those with concern for possible sexual assault, consider transport to facilities capable of performing these sensitive exams. Jeff: As in many of the prehospital sections we have covered -- a destination consult could be very appropriate here if you're unsure of the assault capabilities at your closest ER. Nachi: And in such circumstances, though patient care comes first, make sure to balance medical stabilization with the need to protect evidence. Jeff: Exactly. Moving on to the ED… The history and physical should be conducted in a private setting. For the exam, have a chaperone present, whose name you can document. The “5 Ps” are a helpful starting point for your history: partners, practices, prevention of pregnancy, protection from STDs, and past STDs. Nachi: 5 p's, I actually haven't heard this mnemonic before, but I like it and will certainly incorporate it into my practice. Again, the 5 p's stand for: partners, practices, prevention of pregnancy, protection from STDs, and past STDs. After you have gathered all of your information, make sure to end with an open ended question like “Is there anything else about your sexual practices that I need to know?” Jeff: Though some of the information and even the history gathering may make you or the patient somewhat uncomfortable, it's essential. Multiple partners, anonymous partners, and no condom use all increase the risk of multiple infections.
Show Notes Jeff: Welcome back to EMplify, the podcast corollary to EB Medicine's Emergency Medicine Practice. I'm Jeff Nusbaum, and I'm back with my co-host, Nachi Gupta. This month, after a few months of primarily medical topics, we're talking trauma, specifically Blunt Cardiac Injury: Emergency Department Diagnosis and Management. Nachi: With no gold standard diagnostic test and with complications ranging from simple ectopic beats to fulminant cardiac failure and death, this isn't an episode you'll want to miss. Jeff: Before we begin, let me give a quick shout out to our incredible group of authors from New York -- Dr. Eric Morley, Dr. Bryan English, and Dr. David Cohen of Stony Brook Medicine and Dr. William Paolo, residency program director at SUNY Upstate. I should also mention their peer reviewers Drs. Jennifer Maccagnano and Ashley Norse of the NY institute of technology college of osteopathic medicine and UF Health Jacksonville, respectively. Nachi: This month's team parsed through roughly 1200 articles as well as guidelines from the eastern association for surgery in trauma also known as EAST. Jeff: Clearly a large undertaking for a difficult topic to come up with solid evidence based recommendations. Nachi: For sure. Let's begin with some epidemiology, which is admittedly quite difficult without universally accepted diagnostic criteria. Jeff: As you likely know, despite advances in motor vehicle safety, trauma remains a leading cause of death for young adults. In the US alone, each year, there are about 900,000 cases of cardiac injury secondary to trauma. Most of these occur in the setting of vehicular trauma. Nachi: And keep in mind, that those injuries don't occur in isolation as 70-80% of patients with blunt cardiac injury sustain other injuries. This idea of concomitant trauma will be a major theme in today's episode. Jeff: It certainly will. But before we get there, we have some more definitions to review - cardiac concussion and contusion, both of which were defined in a 1989 study. In this study, cardiac concussion was defined as an elevated CKMB with a normal echo, while a cardiac contusion was defined as an elevated CKMB and abnormal echo. Nachi: Much to my surprise, though, abnormal echo and elevated ck-mb have not been shown to be predictive of adverse outcomes, but conduction abnormalities on ekgs have been predictive of development of serious dysrhythmia Jeff: More on complications in a bit, but first, returning to the idea of concomitant injuries, in one autopsy study of nearly 1600 patients with blunt trauma - cardiac injuries were reported in 11.9% of cases and contributed to the death of 45.2% of those patients. Nachi: Looking more broadly at the data, according to one retrospective review, blunt cardiac injury may carry a mortality of up to 44%. Jeff: That's scary high, though I guess not terribly surprising, given that we are discussing heart injuries due to major trauma... Nachi: The force may be direct or indirect, involve rapid deceleration, be bidirectional, compressive, concussive, or even involve a combination of these. In general, the right ventricle is the most frequently injured area due to the proximity to the chest wall. Jeff: Perfect, so that's enough background, let's talk differential. As you likely expected, the differential is broad and includes cardiovascular injuries, pulmonary injuries, and other mediastinal injuries like pneumomediastinum and esophageal injuries. Nachi: Among the most devastating injuries on the differential is cardiac wall rupture, which not surprisingly has an extremely high mortality rate. In terms of location of rupture, both ventricles are far more likely to rupture than the atria with the right atria being more likely to rupture than the left atria. Atrial ruptures are more survivable, whereas complete free wall rupture is nearly universally fatal. Jeff: Septal injuries are also on the ddx. Septal injuries occur immediately,
Show Notes Jeff: Welcome back to EMplify, the podcast corollary to EB Medicine's Emergency Medicine Practice. I'm Jeff Nusbaum, and I'm back with my co-host, Nachi Gupta. This month, after a few months of primarily medical topics, we're talking trauma, specifically Blunt Cardiac Injury: Emergency Department Diagnosis and Management. Nachi: With no gold standard diagnostic test and with complications ranging from simple ectopic beats to fulminant cardiac failure and death, this isn't an episode you'll want to miss. Jeff: Before we begin, let me give a quick shout out to our incredible group of authors from New York -- Dr. Eric Morley, Dr. Bryan English, and Dr. David Cohen of Stony Brook Medicine and Dr. William Paolo, residency program director at SUNY Upstate. I should also mention their peer reviewers Drs. Jennifer Maccagnano and Ashley Norse of the NY institute of technology college of osteopathic medicine and UF Health Jacksonville, respectively. Nachi: This month's team parsed through roughly 1200 articles as well as guidelines from the eastern association for surgery in trauma also known as EAST. Jeff: Clearly a large undertaking for a difficult topic to come up with solid evidence based recommendations. Nachi: For sure. Let's begin with some epidemiology, which is admittedly quite difficult without universally accepted diagnostic criteria. Jeff: As you likely know, despite advances in motor vehicle safety, trauma remains a leading cause of death for young adults. In the US alone, each year, there are about 900,000 cases of cardiac injury secondary to trauma. Most of these occur in the setting of vehicular trauma. Nachi: And keep in mind, that those injuries don't occur in isolation as 70-80% of patients with blunt cardiac injury sustain other injuries. This idea of concomitant trauma will be a major theme in today's episode. Jeff: It certainly will. But before we get there, we have some more definitions to review - cardiac concussion and contusion, both of which were defined in a 1989 study. In this study, cardiac concussion was defined as an elevated CKMB with a normal echo, while a cardiac contusion was defined as an elevated CKMB and abnormal echo. Nachi: Much to my surprise, though, abnormal echo and elevated ck-mb have not been shown to be predictive of adverse outcomes, but conduction abnormalities on ekgs have been predictive of development of serious dysrhythmia Jeff: More on complications in a bit, but first, returning to the idea of concomitant injuries, in one autopsy study of nearly 1600 patients with blunt trauma - cardiac injuries were reported in 11.9% of cases and contributed to the death of 45.2% of those patients. Nachi: Looking more broadly at the data, according to one retrospective review, blunt cardiac injury may carry a mortality of up to 44%. Jeff: That's scary high, though I guess not terribly surprising, given that we are discussing heart injuries due to major trauma... Nachi: The force may be direct or indirect, involve rapid deceleration, be bidirectional, compressive, concussive, or even involve a combination of these. In general, the right ventricle is the most frequently injured area due to the proximity to the chest wall. Jeff: Perfect, so that's enough background, let's talk differential. As you likely expected, the differential is broad and includes cardiovascular injuries, pulmonary injuries, and other mediastinal injuries like pneumomediastinum and esophageal injuries. Nachi: Among the most devastating injuries on the differential is cardiac wall rupture, which not surprisingly has an extremely high mortality rate. In terms of location of rupture, both ventricles are far more likely to rupture than the atria with the right atria being more likely to rupture than the left atria. Atrial ruptures are more survivable, whereas complete free wall rupture is nearly universally fatal. Jeff: Septal injuries are also on the ddx. Septal injuries occur immediately, either from direct impact or when the heart becomes compressed between the sternum and the spine. Delayed rupture can occur secondary to an inflammatory reaction. This is more likely in patients with a prior healed or repaired septal defects. Nachi: Valvular injuries, like septal injuries, are rare. Left sided valvular damage is more common and carries a higher mortality risk. In order, the aortic valve is more commonly injured followed by the mitral valve then tricuspid valve, and finally the pulmonic valve. Remember that valvular damage can be due to papillary muscle rupture or damage to the chordae tendineae. Consider valvular injury in any patient who appears to be in cardiogenic shock, has hypotension without obvious hemorrhage, or has pulmonary edema. Jeff: Next on the ddx are coronary artery injuries, which include lacerations, dissections, aneurysms, thrombosis, and even MI secondary to increased sympathetic activity and platelet activity after trauma. In one review, dissection was the most commonly uncovered pathology, occurring 71% of the time, followed by thrombosis, which occured only 7% of the time. The LAD is the most commonly injured artery followed by the RCA. Nachi: Pericardial injury, including pericarditis, effusion, tamponade, and rarely rupture, is also certainly on the differential. Jeff: In terms of dysrhythmias, sinus tachycardia is the most common dysrhythmia, with other rhythms, including PVC / PAC / and afib being found only 1-6% of the time. Nachi: And while conduction blocks are rare, a RBBB is the most commonly noted, followed by a 1st degree AVB. Jeff: Though also rare, commotio cordis deserves it's own section as its the second most common cause of death in athletes < 18 who are victims of blunt trauma. Though only studied in swine models, it's hypothesized that the impact to the chest wall during T-wave upstroke can precipitate v-fib. Nachi: Aortic root injuries usually occur at the insertion of the ligamentum arteriosum and isthmus. Such injuries typically result in aortic insufficiency. Jeff: And the last pathology on the differential requiring special attention is a myocardial contusion. Again, no standard definition exists, with some diagnostic criteria including simply chest pain and increasing cardiac enzymes, and others including cardiac dysfunction, ecg abnormalities, wall motion abnormalities, and an elevation of cardiac enzymes. Nachi: Certainly a pretty broad differential… before moving on to the work up, Jeff why don't you get us started with prehospital care? Jeff: Prehospital management should focus on rapid identification and stabilization of life threatening injuries with expeditious transport as longer prehospital times have been associated with increased mortality in trauma. Immediate transport to a Level I trauma center should be the highest priority for those with suspected blunt cardiac injury. Nachi: In terms of who specifically should be transporting the patient, a Cochrane review evaluated the utility of ALS vs BLS transport in trauma. There is reasonably good data to support BLS over ALS, even when controlling for trauma severity. Moreover, when airway management is needed, advanced airway techniques by ALS crews were associated with decreased odds of survival. Regardless of who is there, the message is the same: focus not on interventions, but instead on rapid transport. Jeff: And if it does happen to be an ALS transport crew, without delaying transport, pain management with fentanyl is both safe and reasonable and preferred over morphine. Post opiate hypotension in prehospital trauma patients is a rare but documented complication. Nachi: And if the prehospital team is lucky enough, or maybe unlucky enough, i don't know, to have a credentialed provider who can perform ultrasound for those suspected of having a blunt cardiac injury, the general prehospital data on ultrasound is sparse. As of now, it's difficult to conclude if prehospital US improves care for trauma patients. Jeff: Interestingly, the system I work in has prehospital physicians, who do carry US, but I can't think of a major trauma where ultrasound changed any of the decisions we made. Nachi: Right, and I think that just reinforces the main point here: there may be a role, we just don't have the data to support it at this time. Jeff: Great, let's move onto ED care, beginning with the H&P. Nachi: On history, make sure to elucidate if there is any chest pain, and if it's onset was before or after the traumatic event. In addition, make sure to ask about dyspnea, fatigue, palpitations, and lightheadedness. Jeff: And don't forget to get the crash details from the EMS crew before they depart! As a side note, for anyone taking oral boards in a few months, don't forget to ask the EMS crew for the details!!! Nachi: A definite must for oral boards and for your clinical practice. Jeff: In terms of the physical, tachycardia is the most common abnormality in blunt cardiac injury. In those with severe injury, you may note refractory hypotension secondary to cardiogenic shock. But don't be reassured by normal vitals, especially in the young, who may be compensating well despite being quite ill. Nachi: Fully undress the patient to appropriately inspect and percuss the chest wall - looking for signs of previous cardiac surgeries or pacemaker placement, as well as to auscultate for new murmurs which may be a sign of valvular injury. Jeff: Similarly, as concomitant injuries are common, inspect the abdomen, looking for ecchymosi...
Shownotes Jeff: Welcome back to EMplify, the podcast corollary to EB Medicine's Emergency Medicine Practice. I'm Jeff Nusbaum, and I'm back with my co-host, Nachi Gupta. This month, we're tackling an incredibly important topic - evaluation and management of life threatening headaches in the Emergency Department. Nachi: Fear not, this will not simply be “who needs a head CT episode”; we'll cover much more than that. Listen closely as this is an important topic, with huge consequences for mismanagement. Jeff: Absolutely. As some quick background - headaches account for 3% of all ED visits in the US, with 90% being benign primary headaches and less than 10% being secondary to other causes like vascular, infectious, or traumatic etiologies. It's within these later 10% that we are looking for the red flag signs to identify the potentially life-threatening headaches. Nachi: And to do so, Dr. David Zodda and Dr. Amit Gupta, PD and APD at Hackensack University Medical and Trauma Center, and their colleague Dr. Gabrielle Procopio, a PharmD, have done a fantastic job parsing through the literature, which included over 500 abstracts, 89 full text articles, guidelines from ACEP and the American Academy of Neurology, as well as canadian and european neurology guidelines, to summarize the best evidence based recommendations for you all. Jeff: We would be remiss to not also mention Dr. Mert Erogul of Maimonides Medical Center and Dr. Steven Godwin, Chair of Emergency Medicine at the University of Florida College of Medicine. Nachi: Alright, so let's get started with some definitions and pathophysiology. The international classification of headache disorders 3, or ICHD-3, classifies headaches into primary, secondary, and cranial neuropathies. Jeff: Primary headache disorders include migraine, tension, and cluster headaches. Secondary headaches include those secondary to vascular disorders, traumatic disorders, and disorders in hemostasis. These are the potentially life threatening headaches that can have a mortality has high as 50%. Nachi: And the final category includes cranial neuropathies, such as trigeminal neuralgia. Jeff: And I think we can safely say that that wraps up our discussion in this episode on cranial neuropathies, moving on…. Nachi: Headaches result from traction to or irritation of the meninges and blood vessels, which are the only innervated central nervous system structures. Activation of specific nerve ganglion complexes by neuropeptides like -- substance P and calcitonin gene-related peptide -- are thought to contribute to head pain. Jeff: It is important to note that all headache pain shares common pain pathways, thus response to pain medications does not exclude potential life threatening secondary causes of headache. This led to the ACEP guideline which states just that.. Nachi: I feel like that deserves ding sound as it's a critically important point. To repeat, just because a pain medication relieves a headache, that does not exclude dangerous secondary causes! Jeff: And what are the life threatening headaches? Life-threatening headaches include subarachnoid hemorrhage, cervical Artery Dissection, which includes both vertebral Artery Dissection and carotid artery dissection, cerebral Venous Thrombosis, idiopathic intracranial hypertension, giant cell arteritis, and posterior reversible encephalopathy syndrome, or PRES. Nachi: Slow down for a second and let's not skip over your favorite section.. Let's talk pre hospital care for headache patients. Jeff: Good call! Pre-hospital care is fairly straightforward and includes a primary survey, conducting a focused neurologic exam, and assessing for red flag signs, which include focal neurologic deficits, sudden onset headache, new headache in those over 50, neck pain or stiffness, changes in visual Acuity, fever or immunocompromised State, history of malignancy, pregnancy or postpartum status, syncope, and seizure. That's quite a list.
Shownotes Jeff: Welcome back to EMplify, the podcast corollary to EB Medicine's Emergency Medicine Practice. I'm Jeff Nusbaum, and I'm back with my co-host, Nachi Gupta. This month, we're tackling an incredibly important topic - evaluation and management of life threatening headaches in the Emergency Department. Nachi: Fear not, this will not simply be “who needs a head CT episode”; we'll cover much more than that. Listen closely as this is an important topic, with huge consequences for mismanagement. Jeff: Absolutely. As some quick background - headaches account for 3% of all ED visits in the US, with 90% being benign primary headaches and less than 10% being secondary to other causes like vascular, infectious, or traumatic etiologies. It's within these later 10% that we are looking for the red flag signs to identify the potentially life-threatening headaches. Nachi: And to do so, Dr. David Zodda and Dr. Amit Gupta, PD and APD at Hackensack University Medical and Trauma Center, and their colleague Dr. Gabrielle Procopio, a PharmD, have done a fantastic job parsing through the literature, which included over 500 abstracts, 89 full text articles, guidelines from ACEP and the American Academy of Neurology, as well as canadian and european neurology guidelines, to summarize the best evidence based recommendations for you all. Jeff: We would be remiss to not also mention Dr. Mert Erogul of Maimonides Medical Center and Dr. Steven Godwin, Chair of Emergency Medicine at the University of Florida College of Medicine. Nachi: Alright, so let's get started with some definitions and pathophysiology. The international classification of headache disorders 3, or ICHD-3, classifies headaches into primary, secondary, and cranial neuropathies. Jeff: Primary headache disorders include migraine, tension, and cluster headaches. Secondary headaches include those secondary to vascular disorders, traumatic disorders, and disorders in hemostasis. These are the potentially life threatening headaches that can have a mortality has high as 50%. Nachi: And the final category includes cranial neuropathies, such as trigeminal neuralgia. Jeff: And I think we can safely say that that wraps up our discussion in this episode on cranial neuropathies, moving on…. Nachi: Headaches result from traction to or irritation of the meninges and blood vessels, which are the only innervated central nervous system structures. Activation of specific nerve ganglion complexes by neuropeptides like -- substance P and calcitonin gene-related peptide -- are thought to contribute to head pain. Jeff: It is important to note that all headache pain shares common pain pathways, thus response to pain medications does not exclude potential life threatening secondary causes of headache. This led to the ACEP guideline which states just that.. Nachi: I feel like that deserves ding sound as it's a critically important point. To repeat, just because a pain medication relieves a headache, that does not exclude dangerous secondary causes! Jeff: And what are the life threatening headaches? Life-threatening headaches include subarachnoid hemorrhage, cervical Artery Dissection, which includes both vertebral Artery Dissection and carotid artery dissection, cerebral Venous Thrombosis, idiopathic intracranial hypertension, giant cell arteritis, and posterior reversible encephalopathy syndrome, or PRES. Nachi: Slow down for a second and let's not skip over your favorite section.. Let's talk pre hospital care for headache patients. Jeff: Good call! Pre-hospital care is fairly straightforward and includes a primary survey, conducting a focused neurologic exam, and assessing for red flag signs, which include focal neurologic deficits, sudden onset headache, new headache in those over 50, neck pain or stiffness, changes in visual Acuity, fever or immunocompromised State, history of malignancy, pregnancy or postpartum status, syncope, and seizure. That's quite a list. For a visual reference, see Table 3 in the print issue. Nachi: And patients with neurologic deficits or severe sudden-onset headaches, should be transported immediately to the nearest available stroke center. Tylenol should be offered for pain management. Avoid opioids and nsaids. Jeff: Upon arrival to the emergency department, history and physical should include your standard vitals, testing neurologic function, cranial nerve testing, head and neck exam, as well as a fundoscopic exam. As was the case for your pre-hospital colleagues, you should also assess for red flag signs for life-threatening headaches. Check out tables 2, 3, and 4 for more details here. Nachi: With respect to Vital Signs, in the setting of an acute headache, severe hypertension should prompt a search for signs of end-organ damage such as hypertensive encephalopathy, intracranial Hemorrhage, PRES, and preeclampsia in pregnant women. Additionally, fever, and especially fever and neck stiffness, should raise concern for CNS infection. Jeff: For your neurologic examination, make sure to include assessments of motor strength, coordination, reflexes, sensory function, and gait. Don't forget that lesions involving the anterior circulation, such as dysarthria, cognitive impairment, and Horner syndrome may be indicative of a carotid artery dissection, whereas dizziness, vision changes, and limb weakness may be due to a vertebral Artery Dissection. Nachi: And for cranial nerve testing - pay particular attention to cranial nerves 2, 3 and 6. For cranial nerve 2 - look out for an afferent pupillary defect, or a marcus-gunn pupil, which is seen in optic neuritis, giant cell artertitis, and central retinal artery occlusion. For CN3, oculomotor nerve palsies raise concern for a posterior communicating aneurysm and SAH. And lastly, CN6 palsies, which often presents with diplopia on lateral gaze , are often seen with intracranial idiopathic hypertension and cerebral venous thrombosis, in addition to impaired visual acuity, visual field defects, and tunnel vision. Jeff: For the head and neck exam, remember that a partial horner syndrome, with miosis and ptosis without anhidrosis, may be indicative of a cervical artery dissection. Unfortunately, if the patient presents acutely, their only complaint may be pain, as the neurologic sequelae may take days to develop. Nachi: Additionally, with respect to the head and neck exam, evaluate the patient for tenderness and beading along the temporal artery. Jeff: One review noted that temporal artery beading actually had the highest likelihood ratio for GCA, 4.6, whereas temporal artery tenderness only had a LR of 2.6 Nachi: And the last physical exam maneuver you should ideally perform is a fundoscopic exam for papilledema, which is often seen in IIH, malignant hypertension, and CVT. Jeff: Perfect so that rounds out the physical, next we have diagnostic studies. Most importantly, routine lab testing is typically of low utility in aiding in the diagnosis of headache. Nachi: Even ESR and CRP in the setting of possible giant cell arteritis have poor sensitivity and specificity to diagnose it. So even if the ESR and CRP are negative, if the suspicion for GCA is high enough, it should be treated and you should get a biopsy. Jeff: Do consider adding on a venous or arterial carboxyhemoglobin in the right clinical scenario, as CO poisoning represents an important cause of headache you wouldn't want to miss. This is especially important at this time of year when heating systems are working overtime here in the states. Nachi: And hopefully you have a co-oximeter, so you can even check this non-invasively. Jeff: Interestingly, there may be a unique role for a d-dimer here as well. Several small studies have used the d-dimer to risk stratify patients with possible CVT. In one study a d-dimer level < 500 mcg/L had a 97% sensitivity and a negative predictive value of 99% - not bad! Nachi: Pretty impressive performance characteristics. I think that about wraps up lab work. Let's talk radiology. Jeff: Though low yield, CT utilization is estimated at 2.5-10% of non-traumatic headaches. A non-con CT should be reserved for those with suspicion for an intracranial hemorrhage, while a contrast CT would be required in those in whom there is concern for an infectious process or space occupying lesion. Nachi: CT angio or MRI should be used in cases of possible cervical artery dissection. MRI also is the neuroimaging of choice for PRES, which is more sensitive for cerebral edema than CT. Jeff: Similarly, MRV is recommended in those with a concerning story for CVT. Nachi: To help guide your emergent neuroimaging utilization, ACEP suggests imaging in those with headache and an abnormal finding on neuro exam, those with new and sudden-onset severe headache, HIV positive patients with new headache, and those over 50 with a new headache. Jeff: With that in mind, let's dive a bit deeper into the use of CT for SAH, a topic which doesn't get a ding sound, but is certainly critically important. Recent literature have found that a CT within 6 hours of symptom onset has a sensitivity and specificity and negative predictive value of 100%. In addition, one 2016 study demonstrated a LR of 0.01 in those with a negative HCT within 6 hours. These are really important results because that means SAH is essentially ruled out with a negative study. Nachi: Unfortunately, the 2008 ACEP guideline and 2012 AHA guidelines still recommend a lumbar puncture in those being worked up for SAH. Luckily the ACEP guideline is currently being revised so your decision to forego the LP with a negative HCT in the fi
Jeff: Welcome back to Emplify, the podcast corollary to EB Medicine's Emergency Medicine Practice. I'm Jeff Nusbaum, and I'm back with my co-host, Nachi Gupta. This month, we're talking about a topic… Nachi: … woah wait, slow down for a minute, before we begin this month's episode – we should take a quick pause to wish all of our listeners a happy new year! Thanks for your regular listenership and feedback. Jeff: And we're actually hitting the two year mark since we started this podcast. At 25 episodes now, this is sort of our silver anniversary. Nachi: We have covered a ton of topics in emergency medicine so far, and we are looking forward to reviewing a lot more evidence based medicine with you all going forward. Jeff: With that, let's get into the first episode of 2019 – the topic this month is first trimester pregnancy emergencies: recognition and management. Nachi: This month's issue was authored by Dr. Ryan Pedigo, you may remember him from the June 2017 episode on dental emergencies, though he is perhaps better known as the director of undergraduate medical education at Harbor-UCLA Medical center. In addition, this issue was peer reviewed by Dr. Jennifer Beck-Esmay, assistant residency director at Mount Sinai St. Luke's, and Dr. Taku Taira, the associate director of undergraduate medical education and associate clerkship director at LA County and USC department of Emergency Medicine. Jeff: For this review, Dr. Pedigo had to review a large body of literature, including thousands of articles, guidelines from the American college of obstetricians and gynecologists or ACOG, evidence based Practice bulletins, ACOG committee opinions, guidelines from the American college of radiology, the infectious diseases society of America, clinical policies from the American college of emergency physicians, and finally a series of reviews in the Cochrane database. Nachi: There is a wealth of literature on this topic and Dr. Pedigo comments that the relevant literature is overall “very good.” This may be the first article in many months for which there is an overall very good quality of literature. Jeff: It's great to know that there is good literature on this topic. It's incredibly important as we are not dealing with a single life here, as we usually do... we are quite literally dealing with potentially two lives as the fetus moves towards viability. With opportunities to improve outcomes for both the fetus and the mother, I'm confident that this episode will be worth your time. Nachi: Oh, and speaking of being worth your time…. Don't forget that if you're listening to this episode, you can claim your CME credit. Remember, the indicates an answer to one of the CME questions so make sure to keep the issue handy. Jeff: Let's get started with some background. First trimester emergencies are not terribly uncommon in pregnancy. One study reported 85% experience nausea and vomiting. Luckily only 3% of these progressed to hyperemesis gravidarum. In addition, somewhere between 7-27% experience vaginal bleeding or miscarriage. Only 2% of these will be afflicted with an ectopic pregnancy. Overall, the maternal death rate is about 17 per 100,000 with huge racial-ethnic disparities. Nachi: And vaginal bleeding in pregnancy occurs in nearly 25% of patients. Weeks 4-8 represent the peak time for this. The heavier the bleeding, the higher the risk of miscarriage. Jeff: Miscarriage rates vary widely based on age, with an overall rate of 7-27%. This rises to nearly 40% risk in those over 40. And nearly half of miscarriages are due to fetal chromosomal abnormalities. Nachi: For patient who have a threatened miscarriage in the first trimester, there is a 2-fold increased risk of subsequent maternal and fetal adverse outcomes. Jeff: So key points here, since I think the wording and information you choose to share with often scared and worried women is important – nearly 25% of women experience...
Jeff: Welcome back to Emplify, the podcast corollary to EB Medicine's Emergency Medicine Practice. I'm Jeff Nusbaum, and I'm back with my co-host, Nachi Gupta. This month, we're talking about a topic… Nachi: … woah wait, slow down for a minute, before we begin this month's episode – we should take a quick pause to wish all of our listeners a happy new year! Thanks for your regular listenership and feedback. Jeff: And we're actually hitting the two year mark since we started this podcast. At 25 episodes now, this is sort of our silver anniversary. Nachi: We have covered a ton of topics in emergency medicine so far, and we are looking forward to reviewing a lot more evidence based medicine with you all going forward. Jeff: With that, let's get into the first episode of 2019 – the topic this month is first trimester pregnancy emergencies: recognition and management. Nachi: This month's issue was authored by Dr. Ryan Pedigo, you may remember him from the June 2017 episode on dental emergencies, though he is perhaps better known as the director of undergraduate medical education at Harbor-UCLA Medical center. In addition, this issue was peer reviewed by Dr. Jennifer Beck-Esmay, assistant residency director at Mount Sinai St. Luke's, and Dr. Taku Taira, the associate director of undergraduate medical education and associate clerkship director at LA County and USC department of Emergency Medicine. Jeff: For this review, Dr. Pedigo had to review a large body of literature, including thousands of articles, guidelines from the American college of obstetricians and gynecologists or ACOG, evidence based Practice bulletins, ACOG committee opinions, guidelines from the American college of radiology, the infectious diseases society of America, clinical policies from the American college of emergency physicians, and finally a series of reviews in the Cochrane database. Nachi: There is a wealth of literature on this topic and Dr. Pedigo comments that the relevant literature is overall “very good.” This may be the first article in many months for which there is an overall very good quality of literature. Jeff: It's great to know that there is good literature on this topic. It's incredibly important as we are not dealing with a single life here, as we usually do... we are quite literally dealing with potentially two lives as the fetus moves towards viability. With opportunities to improve outcomes for both the fetus and the mother, I'm confident that this episode will be worth your time. Nachi: Oh, and speaking of being worth your time…. Don't forget that if you're listening to this episode, you can claim your CME credit. Remember, the indicates an answer to one of the CME questions so make sure to keep the issue handy. Jeff: Let's get started with some background. First trimester emergencies are not terribly uncommon in pregnancy. One study reported 85% experience nausea and vomiting. Luckily only 3% of these progressed to hyperemesis gravidarum. In addition, somewhere between 7-27% experience vaginal bleeding or miscarriage. Only 2% of these will be afflicted with an ectopic pregnancy. Overall, the maternal death rate is about 17 per 100,000 with huge racial-ethnic disparities. Nachi: And vaginal bleeding in pregnancy occurs in nearly 25% of patients. Weeks 4-8 represent the peak time for this. The heavier the bleeding, the higher the risk of miscarriage. Jeff: Miscarriage rates vary widely based on age, with an overall rate of 7-27%. This rises to nearly 40% risk in those over 40. And nearly half of miscarriages are due to fetal chromosomal abnormalities. Nachi: For patient who have a threatened miscarriage in the first trimester, there is a 2-fold increased risk of subsequent maternal and fetal adverse outcomes. Jeff: So key points here, since I think the wording and information you choose to share with often scared and worried women is important – nearly 25% of women experience bleeding in their first trimester. Not all of these will go on to miscarriages, though the risk does increase with maternal age. And of those that miscarry, nearly 50% were due to fetal chromosomal abnormalities. Nachi: So can we prevent a miscarriage, once the patient is bleeding…? Jeff: Short answer, no, longer answer, we'll get to treatment in a few minutes. For now, let's continue outlining the various first trimester emergencies. Next up, ectopic pregnancy… Nachi: An ectopic pregnancy is implantation of a fertilized ovum outside of the endometrial cavity. This occurs in up to 2% of pregnancies. About 98% occur in the fallopian tube. Risk factors for an ectopic pregnancy include salpingitis, history of STDs, history of PID, a prior ectopic, and smoking. Jeff: Interestingly, with respect to smoking, there is a dose-relationship between smoking and ectopic pregnancies. Simple advice here: don't smoke if you are pregnant or trying to get pregnant. Nachi: Pretty sound advice. In addition, though an IUD is not a risk factor for an ectopic pregnancy, if you do become pregnant while you have in IUD in place, over half of these may end up being ectopic. Jeff: It's also worth mentioning a more obscure related disease pathology here – the heterotopic pregnancy -- one in which there is an IUP and an ectopic pregnancy simultaneously. Nachi: Nausea and vomiting, though not as scary as miscarriages or an ectopic pregnancy, represent a fairly common pathophysiologic response in the first trimester -- with the vast majority of women experiencing nausea and vomiting. And as we mentioned earlier, only 3% of these progress to hyperemesis gravidarum. Jeff: And while nausea and vomiting clearly sucks, they seem to actually be protective of pregnancy loss, with a hazard ratio of 0.2. Nachi: Although this may be protective of pregnancy loss, nausea and vomiting can really decrease the quality of life in pregnancy -- with one study showing that about 25% of women with severe nausea and vomiting had actually considered pregnancy termination. 75% of those women also stated they would not want to get pregnant again because of these symptoms. Jeff: So certainly a big issue.. Two other common first trimester emergency are asymptomatic bacteriuria and UTIs. In pregnant patients, due to anatomical and physiologic changes in the GU tract – such as hydroureteronephrosis that occurs by the 7th week and urinary stasis due to bladder displacement – asymptomatic bacteriuria is a risk factor for developing pyelonephritis. Nachi: And pregnant women are, of course, still susceptible to the normal ailments of young adult women like acute appendicitis, which is the most common surgical problem in pregnancy. Jeff: Interestingly, based on epidemiologic data, pregnant women are less likely to have appendicitis than age-matched non-pregnant woman. I'd like to think that there is a good pathophysiologic explanation there, but I don't have a clue as to why that might be. Nachi: Additionally, the RLQ is the the most common location of pain from appendicitis in pregnancies of all gestational ages. Peritonitis is actually slightly more common in pregnant patients, with an odds ratio of 1.3. Jeff: Alright, so I think we can put that intro behind us and move on to the differential. Nachi: When considering the differential for abdominal pain or vaginal bleeding in the first trimester, you have to think broadly. Among gynecologic causes, you should consider miscarriage, septic abortion, ectopic pregnancy, corpus luteum cyst, ovarian torsion, vaginal or cervical lacerations, and PID. For non-gynecologic causes, you should also consider appendicitis, cholecystitis, hepatitis, and pyelonephritis. Jeff: In the middle of that laundry list you mentioned there is one pathology which I think merits special attention - ovarian torsion. Don't forget that patients undergoing ovarian stimulation as part of assisted reproductive technology are at a particularly increased risk due to the larger size of the ovaries. Nachi: Great point. Up next we have prehospital care... Jeff: Always a great section. First, prehospital providers should attempt to elicit an ob history. Including the number of weeks' gestation, LMP, whether an IUP has already been confirmed, prior hx of ectopic, and a...
Jeff: Welcome back to Emplify, the podcast corollary to EB Medicine's Emergency Medicine Practice. I'm Jeff Nusbaum, and I'm back with my co-host, Nachi Gupta. This month, we're talking about a topic that is ripe for review this time of year. We're talking Influenza… Diagnosis and Management. Nachi: Very appropriate as the cold is settling in here in NYC and we're already starting to see more cases of influenza. Remember that as you listen through the episode, the means we're about to cover one of the CME questions for those of you listening at home with the print issue handy. Jeff: This month's issue was authored by Dr. Al Giwa of the Icahn School of Medicine at Mount Sinai, Dr. Chinwe Ogedegbe of the Seton Hall School of Medicine, and Dr. Charles Murphy of Metrowest Medical Center. Nachi: And this issue was peer reviewed by Dr. Michael Abraham of the University of Maryland School of Medicine and by Dr. Dan Egan, Vice Chair of Education of the Department of Emergency Medicine at Columbia University. Jeff: The information contained in this article comes from articles found on pubmed, the cochrane database, center for disease control, and the world health organization. I'd say that's a pretty reputable group of sources. Additionally, guidelines were reviewed from the american college of emergency physicians, infectious disease society of america, and the american academy of pediatrics. Nachi: Some brief history here to get us started -- did you know that in 1918/1919, during the influenza pandemic, about one third of the world's population was infected with influenza? Jeff: That's wild. How do they even know that? Nachi: Not sure, but also worth noting -- an estimated 50 million people died during that pandemic. Jeff: Clearly a deadly disease. Sadly, that wasn't the last major outbreak… fifty years later the 1968 hong kong influenza pandemic, H3N2, took between 1 and 4 million lives. Nachi: And just last year we saw the 2017-2018 influenza epidemic with record-breaking ED visits. This was the deadliest season since 1976 with at least 80,000 deaths. Jeff: The reason for this is multifactorial. The combination of particularly mutagenic strains causing low vaccine effectiveness, along with decreased production of IV fluids and antiviral medication because of the hurricane, all played a role in last winter's disastrous epidemic. Nachi: Overall we're looking at a rise in influenza related deaths with over 30,000 deaths annually in the US attributed to influenza in recent years. The ED plays a key role in outbreaks, since containment relies on early and rapid identification and treatment. Jeff: In addition to the mortality you just cited, influenza also causes a tremendous strain on society. The CDC estimates that epidemics cost 10 billion dollars per year. They also estimate that an epidemic is responsible for 3 million hospitalized days and 31 million outpatient visits each year. Nachi: It is thought that up to 20% of the US population has been infected with influenza in the winter months, disproportionately hitting the young and elderly. Deaths from influenza have been increasing over the last 20 years, likely in part due to a growing elderly population. Jeff: And naturally, the deaths that we see from influenza also disproportionately affect the elderly, with up to 90% occurring in those 65 or older. Nachi: Though most of our listeners probably know the difference between an influenza epidemic and pandemic, let's review it anyway. When the number of cases of influenza is higher than what would be expected in a region, an epidemic is declared. When the occurrence of disease is on a worldwide spectrum, the term pandemic is used. Jeff: I think that's enough epidemiology for now. Let's get started with the basics of the influenza virus. Influenza is spread primarily through direct person-to-person contact via expelled respiratory secretions.
Jeff: Welcome back to Emplify, the podcast corollary to EB Medicine's Emergency Medicine Practice. I'm Jeff Nusbaum, and I'm back with my co-host, Nachi Gupta. This month, we're talking about a topic that is ripe for review this time of year. We're talking Influenza… Diagnosis and Management. Nachi: Very appropriate as the cold is settling in here in NYC and we're already starting to see more cases of influenza. Remember that as you listen through the episode, the means we're about to cover one of the CME questions for those of you listening at home with the print issue handy. Jeff: This month's issue was authored by Dr. Al Giwa of the Icahn School of Medicine at Mount Sinai, Dr. Chinwe Ogedegbe of the Seton Hall School of Medicine, and Dr. Charles Murphy of Metrowest Medical Center. Nachi: And this issue was peer reviewed by Dr. Michael Abraham of the University of Maryland School of Medicine and by Dr. Dan Egan, Vice Chair of Education of the Department of Emergency Medicine at Columbia University. Jeff: The information contained in this article comes from articles found on pubmed, the cochrane database, center for disease control, and the world health organization. I'd say that's a pretty reputable group of sources. Additionally, guidelines were reviewed from the american college of emergency physicians, infectious disease society of america, and the american academy of pediatrics. Nachi: Some brief history here to get us started -- did you know that in 1918/1919, during the influenza pandemic, about one third of the world's population was infected with influenza? Jeff: That's wild. How do they even know that? Nachi: Not sure, but also worth noting -- an estimated 50 million people died during that pandemic. Jeff: Clearly a deadly disease. Sadly, that wasn't the last major outbreak… fifty years later the 1968 hong kong influenza pandemic, H3N2, took between 1 and 4 million lives. Nachi: And just last year we saw the 2017-2018 influenza epidemic with record-breaking ED visits. This was the deadliest season since 1976 with at least 80,000 deaths. Jeff: The reason for this is multifactorial. The combination of particularly mutagenic strains causing low vaccine effectiveness, along with decreased production of IV fluids and antiviral medication because of the hurricane, all played a role in last winter's disastrous epidemic. Nachi: Overall we're looking at a rise in influenza related deaths with over 30,000 deaths annually in the US attributed to influenza in recent years. The ED plays a key role in outbreaks, since containment relies on early and rapid identification and treatment. Jeff: In addition to the mortality you just cited, influenza also causes a tremendous strain on society. The CDC estimates that epidemics cost 10 billion dollars per year. They also estimate that an epidemic is responsible for 3 million hospitalized days and 31 million outpatient visits each year. Nachi: It is thought that up to 20% of the US population has been infected with influenza in the winter months, disproportionately hitting the young and elderly. Deaths from influenza have been increasing over the last 20 years, likely in part due to a growing elderly population. Jeff: And naturally, the deaths that we see from influenza also disproportionately affect the elderly, with up to 90% occurring in those 65 or older. Nachi: Though most of our listeners probably know the difference between an influenza epidemic and pandemic, let's review it anyway. When the number of cases of influenza is higher than what would be expected in a region, an epidemic is declared. When the occurrence of disease is on a worldwide spectrum, the term pandemic is used. Jeff: I think that's enough epidemiology for now. Let's get started with the basics of the influenza virus. Influenza is spread primarily through direct person-to-person contact via expelled respiratory secretions. It is most active in the winter months, but can be seen year-round. Nachi: The influenza virus is a spherical RNA-based virus of the orthomyxoviridae family. The RNA core is associated with a nucleoprotein antigen. Variations of this antigen have led to the the 3 primary subgroups -- influenza A, B, and C, with influenza A being the most common. Jeff: Influenza B is less frequent, but is more frequently associated with epidemics. And Influenza C is the form least likely to infect humans -- it is also milder than both influenza A or B. Nachi: But back to Influenza A - it can be further classified based on its transmembrane or surface proteins, hemagglutinin and neuraminidase - or H and N for short. There are actually 16 different H subtypes and 9 different N subtypes, but only H1, H2, H3, and N1 and N2 have caused epidemic disease. Jeff: Two terms worth learning here are antigen drift and anitgen shift. Antigen drift refers to small point mutations to the viral genes that code for H and N. Antigen shift is a much more radical change, with reassortment of viral genes. When cells are infected by 2 or more strains, a new strain can emerge after genetic reassortment. Nachi: With antigen shift, some immunity may be maintained within a population infected by a similar subtype previously. With antigen drift, there is loss of immunity from prior infection. Jeff: The appearance of new strains of influenza typically involves an animal host, like pigs, horses, or birds. This is why you might be hear a strain called “swine flu”, “equine flu”, or “avian flu”. Close proximity with these animals facilitates co-infection and genetic reassortment. Nachi: I think that's enough basic biology for now, let's move on to pathophysiology. When inhaled, the influenza virus initially infects the epithelium of the upper respiratory tract and alveolar cells of the lower respiratory tract. Viral replication occurs within 4 to 6 hours. Incubation is 18 to 72 hours. Viral shedding is usually complete roughly 7 days after infection, but can be longer in children and immunocompromised patients. Jeff: As part of the infectious process and response, there can be significant changes to the respiratory tract with inflammation and epithelial cell necrosis. This can lead to viral pneumonia, and occasionally secondary bacterial pneumonia. Nachi: The secondary bacterial pathogens that are most common include Staph aureus, Strep pneumoniae, and H influenzae. Jeff: Despite anything you may read on the internet, vaccines work and luckily influenza happens to be a pathogen which we can vaccinate against. As such, there are 3 methods approved by the FDA for producing influenza vaccines -- egg-based, cell-based, or recombinant influenza vaccine. Once the season's most likely strains have been determined, the virus is introduced into the medium and allowed to replicate. The antigen is then purified and used to make an injection or nasal spray. Nachi: It isn't easy to create vaccines for all strains. H3N2, for example, is particularly virulent, volatile, and mutagenic, which leads to poor prophylaxis against this particular subgroup. Jeff: In fact, a meta-analysis on vaccine effectiveness from 2004-2015 found that the pooled effectiveness against influenza B was 54%, against the H1N1 pandemic in 2009 was 61%, and against the H3N2 virus was 33%. Not surprisingly, H3N2 dominant seasons are currently associated with the highest rates of influenza cases, hospitalizations, and death. Nachi: Those are overall some low percentages. So should we still be getting vaccinated? The answer is certainly a resounding YES.. Despite poor protection from certain strains, vaccine effectiveness is still around 50% and prevents severe morbidity and mortality in those patients. Jeff: That's right. The 2017-2018 vaccine was only 40% effective, but this still translates to 40% less severe cases and a subsequent decrease in hospitalizations and death. Nachi: But before we get into actual hospitalization, treatment, and preventing death, let's talk about the differential. We're not just focusing on influenza here, but any influenza like illness, since they can be hard to distinguish. The CDC defines “influenza-like illness” as a temperature > 100 F, plus cough or sore throat, in the absence of a known cause other than influenza.
Jeff: Welcome back to Emplify, the podcast corollary to EB Medicine's Emergency Medicine Practice. I'm Jeff Nusbaum, and I'm back with my co-host, Nachi Gupta. This month, we're back with our old routine – no special guests. Nachi: Don't sound so sad about it! Jeremy was great last month, and he's definitely paved the way for more special guests in upcoming episodes. Jeff: You're right. But this month's episode is special in its own way - we'll be tackling Electrical Injuries in the emergency department - from low and high voltage injuries to the more extreme and rare lightning related injuries. Nachi: And this is obviously not something we see that often, so listen up for some easy to remember high yield points to help you when you get an electrical injury in the ED. And pay particular attention to the , which, as always, signals the answer to one of our CME questions. Jeff: I hate to digress so early and drop a cliché, “let's start with a case…” but we, just a month ago, had a lightning strike induced cardiac arrest in Pittsburgh, so this hits really close to home. Thankfully, that gentleman was successfully resuscitated despite no bystander CPR, and if you listen carefully, we hope to arm you with the tools to do so similarly. Nachi: This month's print issue was authored by Dr. Gentges and Dr. Schieche from the Oklahoma University School of Community Medicine. It was peer reviewed by Dr. O'Keefe and Dr. Silverberg from Florida State University College of Medicine and Kings County Hospital, respectively. Jeff: And unlike past issues covering more common pathologies, like, say, sepsis, this month's team reviewed much more literature than just the past 10 years. In total, they pulled references from 1966 until 2018. Their search yielded 477 articles, which was narrowed to 88 after initial review. Nachi: Each year, in the US, approximately 10,000 patients present with electrical burns or shocks. Thankfully, fatalities are declining, with just 565 in 2015. On average, between 25 and 50 of the yearly fatalities can be attributed to lightning strikes. Jeff: Interestingly, most of the decrease in fatalities is due to improvements in occupational protections and not due so much to changes in healthcare. Nachi: That is interesting and great to hear for workers. Also, worth noting is the trimodal distribution of patients with electrical injuries: with young children being affected by household currents, adolescent males engaging in high risk behaviors, and adult males with occupational exposures and hazards. Jeff: Electrical injuries and snake bites – leave it to us men to excel at all the wrong things… Anyway, before we get into the medicine, we unfortunately need to cover some basic physics. I know, it might seem painful, but it's necessary. There are a couple of terms we need to define to help us understand the pathologies we'll be discussing. Those terms are: current, amperes, voltage, and resistance. Nachi: So, the current is the total amount of electrons moving down a gradient over time, and it's measured in amperes. Jeff: Voltage, on the other hand, is the potential difference between the top and bottom of a gradient. The current is directly proportional to the voltage. It can be alternating, AC, or direct, DC. Nachi: Resistance is the obstruction of electrical flow and it is inversely proportional to the current. Think of Ohm's Law here. Voltage = current x resistance. Jeff: Damage to the tissues from electricity is largely due to thermal injury, which depends on the tissue resistance, voltage, amperage, type of circuit, and the duration of contact. Nachi: That brings us to an interesting concept – the let-go threshold. Since electrical injuries are often due to grasping an electric source, this can induce tetanic muscle contractions and therefore the inability to let go, thus increasing the duration of contact and extent of injury.
Jeff: Welcome back to Emplify, the podcast corollary to EB Medicine's Emergency Medicine Practice. I'm Jeff Nusbaum, and I'm back with my co-host, Nachi Gupta. This month, we're back with our old routine – no special guests. Nachi: Don't sound so sad about it! Jeremy was great last month, and he's definitely paved the way for more special guests in upcoming episodes. Jeff: You're right. But this month's episode is special in its own way - we'll be tackling Electrical Injuries in the emergency department - from low and high voltage injuries to the more extreme and rare lightning related injuries. Nachi: And this is obviously not something we see that often, so listen up for some easy to remember high yield points to help you when you get an electrical injury in the ED. And pay particular attention to the , which, as always, signals the answer to one of our CME questions. Jeff: I hate to digress so early and drop a cliché, “let's start with a case…” but we, just a month ago, had a lightning strike induced cardiac arrest in Pittsburgh, so this hits really close to home. Thankfully, that gentleman was successfully resuscitated despite no bystander CPR, and if you listen carefully, we hope to arm you with the tools to do so similarly. Nachi: This month's print issue was authored by Dr. Gentges and Dr. Schieche from the Oklahoma University School of Community Medicine. It was peer reviewed by Dr. O'Keefe and Dr. Silverberg from Florida State University College of Medicine and Kings County Hospital, respectively. Jeff: And unlike past issues covering more common pathologies, like, say, sepsis, this month's team reviewed much more literature than just the past 10 years. In total, they pulled references from 1966 until 2018. Their search yielded 477 articles, which was narrowed to 88 after initial review. Nachi: Each year, in the US, approximately 10,000 patients present with electrical burns or shocks. Thankfully, fatalities are declining, with just 565 in 2015. On average, between 25 and 50 of the yearly fatalities can be attributed to lightning strikes. Jeff: Interestingly, most of the decrease in fatalities is due to improvements in occupational protections and not due so much to changes in healthcare. Nachi: That is interesting and great to hear for workers. Also, worth noting is the trimodal distribution of patients with electrical injuries: with young children being affected by household currents, adolescent males engaging in high risk behaviors, and adult males with occupational exposures and hazards. Jeff: Electrical injuries and snake bites – leave it to us men to excel at all the wrong things… Anyway, before we get into the medicine, we unfortunately need to cover some basic physics. I know, it might seem painful, but it's necessary. There are a couple of terms we need to define to help us understand the pathologies we'll be discussing. Those terms are: current, amperes, voltage, and resistance. Nachi: So, the current is the total amount of electrons moving down a gradient over time, and it's measured in amperes. Jeff: Voltage, on the other hand, is the potential difference between the top and bottom of a gradient. The current is directly proportional to the voltage. It can be alternating, AC, or direct, DC. Nachi: Resistance is the obstruction of electrical flow and it is inversely proportional to the current. Think of Ohm's Law here. Voltage = current x resistance. Jeff: Damage to the tissues from electricity is largely due to thermal injury, which depends on the tissue resistance, voltage, amperage, type of circuit, and the duration of contact. Nachi: That brings us to an interesting concept – the let-go threshold. Since electrical injuries are often due to grasping an electric source, this can induce tetanic muscle contractions and therefore the inability to let go, thus increasing the duration of contact and extent of injury. Jeff: Definitely adding insult to injury right there. With respect to the tissue resistance, that amount varies widely depending on the type of tissue. Dry skin has high resistance, far greater than wet or lacerated skin. And the skin's resistance breaks down as it absorbs more energy. Nerve tissue has the least resistance and can be damaged by even low voltage without cutaneous manifestations. Bone and fat have the highest resistance. In between nerve and bone or fat, we have blood and vascular tissue, which have low resistance, and muscle and the viscera which have a slightly higher resistance. Nachi: Understanding the resistances will help you anticipate the types of injuries you are treating, since current will tend to follow the path of least resistance. In high resistance tissues, most of the energy is lost as heat, causing coagulation necrosis. These concepts also explain why you may have deeper injuries beyond what can be visualized on the surface. Jeff: And not only does the resistance play a role, but so too does the amount and type of current. AC, which is often found in standard home and office settings, but can also be found in high voltage transmission lines, usually affects the electrically sensitive tissues like nerve and muscle. DC has a higher let-go threshold and does not cause as much sensation. It also requires more amperage to cause v-fib. DC is often found in batteries, car and computer electrical systems, some high voltage transmission lines, and capacitors. Nachi: Voltage has a twofold effect on tissues. The first mechanism is through electroporation, which is direct damage to cell membranes by high voltage. The second is by overcoming the resistance of body tissues and intervening objects such as clothes or water. You're probably familiar with this concept when you see high voltages arcing through the air without direct contact with the actual electrical source, leading to diffuse burns. Jeff: As voltage increases, the resistance of dry skin is -- not surprisingly -- reduced, leading to worse injuries. Nachi: And for this reason, the US Department of Energy has set 600 Volts as the cutoff for low vs high voltage electrical exposure. Jeff: It is absolutely critical that we also mention and then re-mention throughout this episode, that those with electrical injuries often have multisystem injuries due to not only the thermal injury, electrical damage to electrically sensitive tissue, but also mechanical trauma. Injuries are not uncommon both from forceful pulling away from the source or a subsequent fall if one occurs. Nachi: That's a great point which we'll return to soon, as it plays an important role in destination selection. But before we get there, let's review the common clinical manifestations of electrical injuries. Jeff: First up is – the cutaneous injuries. Most electrical injuries present with burns to the skin. Low voltage exposures typically cause superficial burns at the entry and exit sites, whereas high voltage exposures cause larger, deeper burns that may require skin grafting, debridement, and even amputation. Nachi: High voltage injuries can also travel through the sub-q tissue leading to extensive burns to deep structures despite what appears to be relatively uninjured skin. In addition, high voltage injuries can also result in superficial burns to large areas secondary to flash injury. Jeff: Electrical injuries can also lead to musculoskeletal injuries via either thermal or mechanical means. Thermal injury can lead to muscle breakdown, rhabdo, myonecrosis, edema, and in worse cases, compartment syndrome. In the bones, it can lead to osteonecrosis and periosteal burns. Nachi: In terms of mechanical injury – electrical injury often leads to forceful muscular contraction and falls. In 2 retrospective studies, 11% of patients with high voltage exposures also had traumatic injuries. Jeff: While not nearly as common, the rarer cardiovascular injuries are certainly up there as the most feared. Pay attention to the entry and exit sites, as the pathway of the shock is predictive of the potential for myocardial injury and arrhythmia. Common arrhythmias include AV block, bundle branch blocks, a fib, QT prolongation and even ventricular arrhythmias, including both v-fib and v-tach, both of which typically occur immediately after the injury. Nachi: There is a school of thought out there that victims of electrical injury can have delayed onset arrhythmias and require prolonged car
Disclaimer: This is the unedited transcript of the podcast. Please excuse any typos. Jeff: Welcome back to Emplify, the podcast corollary to EB Medicine's Emergency Medicine Practice. I'm Jeff Nusbaum, and I'm back with my co-host, Nachi Gupta. This month, we'll be talking Updates and Controversies in the Early Management of Sepsis and Septic Shock. We have a special episode for you this month… We've brought Dr. Jeremy Rose, one of the peer reviewers, and a sepsis expert, on with us to talk through the content this month. Jeremy: Dr. Jeremy Rose here. Thanks for having me in on this conversation. I'm always happy to talk about this topic because it's clearly important. There's a great deal of confusion around sepsis and I hope that in the next couple minutes we can clarify things in a way that really help your average front line doc trying to get it right. Nachi: So Dr. Rose, before we get started, tell us a bit about your background and your interest in sepsis… Jeremy: I'm the Assistant Medical Director and Sepsis Chair at Mount Sinai Beth Israel in Manhattan. For those listening, my hospital probably looks a little bit like yours. We're busy, interesting, and just a little rough around the edges. We like it that way. More importantly, though, we mirror the national averages regarding sepsis. Roughly half of in-hospital mortality is associated with septic in some fashion. Pretty incredible when you think about it. Half. Jeff: Sepsis chair... clearly this is an important topic if it warrants it's own chair at a major hospital in NYC. But getting back to the article this month. This month's issue was authored by Faheem Guirgis, Laurent Page Black, and Elizabeth DeVos of the University of Florida, Department of Emergency Medicine. Nachi: And it was peer reviewed by Michael Allison, Assistant Director of the Adult ICU at Saint Agnes Hospital, and Jeremy Rose and Eric Steinberg of Mount Sinai Beth Israel. Jeff: So as well all know Sepsis is bread and butter emergency medicine, but, what is sepsis? It seems that every month or so we have a new guideline, bundle, definition, or whatever… I think it's best to start with the basics - At its core, sepsis is a dysregulated response to infection that can be life-threatening. Nachi: Right and it's the combined inflammatory with immunosuppressive features of sepsis that lead to the devastating organ dysfunction and even death. Optimal management of septic patients has been a source of intense research, stemming from the landmark study by Rivers in 2001. Jeremy, can you give us a little historical context there? Jeremy: Rivers was a real pioneer. He found a 16% mortality reduction with randomization to an early aggressive care bundle. Amazing work. That being said, many components of that bundle have since been disregarded. For example, Manny Rivers would measure CVP in all of his patients, something we rarely do. Nachi: Not to cut you off and steal your thunder there, but we'll get to the most recent updates in management shortly. Let's first talk definitions and terminology, and specifically, diagnosis, which is definitely a big elephant in the room. As Jeff mentioned a few minutes ago, diagnostic criteria have undergone so so so many changes. Jeff: Yes it has! 1991 marked the first standardized definition. Then in 2001, sepsis-2 was introduced. In 2014, the Society of Critical Care Medicine and the European Society of Intensive Care Medicine started a task force, and by 2016, updated definitions were out again! Sepsis-3!! A lot of this came after the realization that SIRS was just too broad and was overly sensitive and non-specific. Jeremy, why don't you take us through Sepsis 3. Jeremy: So just to back up a little and frame this: Here's the fundamental problem: As we likes to say, “there's no troponin for sepsis.” And if you look at our patients, we tend not to miss the hypotensive, tachycardic, febrile patient. We know they're septic.
Disclaimer: This is the unedited transcript of the podcast. Please excuse any typos. Jeff: Welcome back to Emplify, the podcast corollary to EB Medicine's Emergency Medicine Practice. I'm Jeff Nusbaum, and I'm back with my co-host, Nachi Gupta. This month, we'll be talking Updates and Controversies in the Early Management of Sepsis and Septic Shock. We have a special episode for you this month… We've brought Dr. Jeremy Rose, one of the peer reviewers, and a sepsis expert, on with us to talk through the content this month. Jeremy: Dr. Jeremy Rose here. Thanks for having me in on this conversation. I'm always happy to talk about this topic because it's clearly important. There's a great deal of confusion around sepsis and I hope that in the next couple minutes we can clarify things in a way that really help your average front line doc trying to get it right. Nachi: So Dr. Rose, before we get started, tell us a bit about your background and your interest in sepsis… Jeremy: I'm the Assistant Medical Director and Sepsis Chair at Mount Sinai Beth Israel in Manhattan. For those listening, my hospital probably looks a little bit like yours. We're busy, interesting, and just a little rough around the edges. We like it that way. More importantly, though, we mirror the national averages regarding sepsis. Roughly half of in-hospital mortality is associated with septic in some fashion. Pretty incredible when you think about it. Half. Jeff: Sepsis chair... clearly this is an important topic if it warrants it's own chair at a major hospital in NYC. But getting back to the article this month. This month's issue was authored by Faheem Guirgis, Laurent Page Black, and Elizabeth DeVos of the University of Florida, Department of Emergency Medicine. Nachi: And it was peer reviewed by Michael Allison, Assistant Director of the Adult ICU at Saint Agnes Hospital, and Jeremy Rose and Eric Steinberg of Mount Sinai Beth Israel. Jeff: So as well all know Sepsis is bread and butter emergency medicine, but, what is sepsis? It seems that every month or so we have a new guideline, bundle, definition, or whatever… I think it's best to start with the basics - At its core, sepsis is a dysregulated response to infection that can be life-threatening. Nachi: Right and it's the combined inflammatory with immunosuppressive features of sepsis that lead to the devastating organ dysfunction and even death. Optimal management of septic patients has been a source of intense research, stemming from the landmark study by Rivers in 2001. Jeremy, can you give us a little historical context there? Jeremy: Rivers was a real pioneer. He found a 16% mortality reduction with randomization to an early aggressive care bundle. Amazing work. That being said, many components of that bundle have since been disregarded. For example, Manny Rivers would measure CVP in all of his patients, something we rarely do. Nachi: Not to cut you off and steal your thunder there, but we'll get to the most recent updates in management shortly. Let's first talk definitions and terminology, and specifically, diagnosis, which is definitely a big elephant in the room. As Jeff mentioned a few minutes ago, diagnostic criteria have undergone so so so many changes. Jeff: Yes it has! 1991 marked the first standardized definition. Then in 2001, sepsis-2 was introduced. In 2014, the Society of Critical Care Medicine and the European Society of Intensive Care Medicine started a task force, and by 2016, updated definitions were out again! Sepsis-3!! A lot of this came after the realization that SIRS was just too broad and was overly sensitive and non-specific. Jeremy, why don't you take us through Sepsis 3. Jeremy: So just to back up a little and frame this: Here's the fundamental problem: As we likes to say, “there's no troponin for sepsis.” And if you look at our patients, we tend not to miss the hypotensive, tachycardic, febrile patient. We know they're septic. But how do we find the ones who don't look as sick. Frequently elderly, possibly with normal-ish vitals and no fever. Those can be a lot harder to spot, but they may indeed be septic. Also, for research purposes we have to have a common definition, so Sepsis 3 came up with something called the SOFA score. The problem with the SOFA score is that its difficult to perform in the ED. It has parameters like bilirubin that often aren't available when we want to screen out very sick patients. Fortunately there is the abridged version qSOFA, which identifies non-icu patients who are at high risk of inpatient mortality. So here it is, and if you get one thing from this episode, this is it: There are ONLY 3 criteria to the qSOFA. 3 Criteria. RR > 22; AMS; SBP 2. So quite a few changes! Jeff: And Jeremy, sticky topic coming up here. Center for Medicare and Medicaid Services (or CMS) quality measures - They haven't really caught on to and adapted to Sepsis-3 yet, have they? Jeremy: The CMS mandate is based on the presence of SIRS criteria. Sepsis 3 is based on SOFA. This is definitely confusing. Part of the challenge in discussing this topic is separating out the QI guidelines from what is actually relevant to patient care based on the latest evidence-based medicine. Nachi: That seems fair. We're really going to put you in an uncomfortable spot for a second and push you here Jeremy. Do you have any insight into why CMS isn't interested in following the mountains of research that have led to sepsis-3? Is there a reason they are sticking to their current criteria? Jeremy: I think some of it is the slow pace of bureaucracy and the time that it takes to develop a consensus on management. Even if we can agree on who is septic, it's really hard, if not impossible to link the care to a pay-for-performance metric which is what CMS ultimately would like to see. That's not how Sepsis-3, or for that matter, SIRS, was designed to be used. You're trying to take a tool which was originally designed for research and mold them into a tool used for pay for performance. Nachi: What a struggle. The CMS metrics are slightly different from the 2001 sepsis guidelines also. Take a look at Table 2 of the article for a quick comparison of sepsis-3, 2001 sepsis, and cms side-by-side. And for those on twitter, we'll be sure to tweet this table out too for your review. Jeff: With so many different scores and definitions, I think that adequately sets the stage for the challenge this month's authors faced coming up with real evidenced based guidelines. Nachi: Oh absolutely. And to make matters worse - this is a HUGE problem. We're talking up to 850,000 ED visits annually in the US, and 19 million cases worldwide. Compounding this, sepsis results in death in approximately 1 out of 4 cases. Not only is it lethal, it is also very costly -- 17 billion dollars per year in the US alone! Jeff: And don't forget importantly the 30-day hospital readmission rate. Sepsis is coming in at a higher readmission rate and cost per admission than acute MI, CHF, COPD, and PNA. Nachi: Let's speak briefly on the etiology and pathophysiology of sepsis: we all know that sepsis is due to local infections that then become systemic. Previously, it was believed that the bacterial infection itself was the cause of the clinical syndrome of sepsis. However, we now know now that the syndrome of sepsis is due to the inflammatory and immunosuppressive mediators that were triggered by the infection. Normal immune regulatory safeguards fail and this leads to the syndrome. And interestingly, several studies have shown that critically ill septic patients experience reactivations of specific viruses that were previously limited to patients with severe immunosuppression. Jeff: Definitely something to look out for in your criticall...
Jeff: Welcome back to Emplify, the podcast corollary to EB Medicine's Emergency Medicine Practice. I'm Jeff Nusbaum, and I'm back with my co-host, Nachi Gupta and we'll be taking you through the September 2018 issue of Emergency Medicine Practice - Emergency Department Management of North American Snake envenomations. Nachi: Although this isn't something we encountered too frequently – it does seem like I've been hearing more about snake bites in the recent months. Jeff: I actually flew someone just the other day because the local ED ran out of CroFab after an envenomation in Western PA. Nachi: Yeah, this is definitely more than “just a boards topic,” and it's really important to know about in those rare circumstances. In terms of incidence, there are actually about 10,000 ED visits in the US for snake bites each year, and 1/3 of these involve venomous species. Jeff: That's a good teaser, so let's start by recognizing this month's team – the two authors, Dr. Sheikh, a medical toxicologist, and Patrick Leffers, a pharmD, and emergency medicine and clinical toxicology fellow. Both are at the University of Florida Jacksonville, and they reviewed a total of 120 articles from 2006-2017, in addition to reviews from both Cochrane and Dare. Nachi: And don't forget our peer reviewers this month, Dr. Daniel Sessions, a medical toxicologist working at the South Texas Poison Center, and our very own editor-in-chief, Dr. Andy Jagoda, who is also Chair of the Department of Emergency Medicine at Mount Sinai in New York City. Jeff: What a team! But, let's get back to the snakes. As some background, from 2006-2015 there were almost 66,000 reported snake exposures and 31 deaths from snake envenomation in the US. Of course, this number likely underestimates the true total. Nachi: And there are two key subfamilies of venomous snakes to be aware of – the Crotalinae – or pit vipers – which includes rattlesnakes, copperheads, and water moccasins; and the Elapidae – of which you really only need to know about the coral snake. Jeff: And while those are the only two NATIVE snake subfamilies to be acutely aware of, don't forget that exotic snakes, which are shockingly popular pets -- they can also cause significant morbidity and mortality. Nachi: Oh, and one other quick note before we get into the epidemiology – most of the recommendations this month come from expert opinion, as high quality RCTs are obviously difficult. In addition, many of the studies were based in other countries, where the snakes, the anti-venoms and their availability, and the general healthcare systems are different from those that most of us work in. Jeff: Unless we have listeners abroad? Do we have listeners in other countries? Nachi: Oh we definitely do... but we are going to be a bit biased towards US envenomation today. In any case, venomous snake bites occur most frequently in men aged 18 to 49 during warmer months with provoked bites occurring more frequently in the upper extremities and unprovoked bites in the lower extremities. Jeff: In one study of poison center data from the last decade, nearly half of all victims of snake bites were victims of unknown type snakes. However, of those that were known, copperheads were the most common, while rattlesnakes caused the most fatalities – 19 of 31 in this dataset. Nachi: In a separate study of snake bites in the early 2000s, 32% of exposures were from venomous snakes and 59% of those resulted in admission. That's remarkably high. Jeff: Snake bite severity depends on several key factors: the amount of venom, the composition of the venom, the body size of the bite victim, the victim's clothing, the size of the bite, comorbid conditions, and the timing and quality of medical care the victim receives. Nachi: To be a bit more specific - First, the amount of venom will depend on the species of snake, with variations even occurring within the same species. Secondly, while there is a correlation between rattlesnake size and bite severity, there is much more at play. Some snakes can even vary the amount of venom based on threat risk – with defensive bites having different profiles than bites to strike prey. Jeff: I found it pretty interesting that an estimated 10-25% of pit viper bites are considered dry bites, that is, ones in which no venom is released. Nachi: Right, this is just one reason why all victims shouldn't immediately get anti-venom, but we'll get there. Jeff: We definitely will. As we already stated – venom composition varies greatly. Pit vipers produce a predominantly hemotoxic venom. Systemic effects include tachycardia, tachypnea, hypotension, nausea, vomiting, weakness, and diaphoresis. Neurotoxicity is rare and is usually due to inter-breeding between species. Nachi: While rattlesnake bites are associated with higher morbidity and mortality, the more common copperhead bites typically only cause local tissue effects. More serious systemic findings such as coagulopathy and respiratory failure have been reported though. Jeff: So that's a solid background to get us started. Let's talk about the individual snakes. Why don't you start with the crotalinae family – aka the pit vipers. Nachi: Sure – the crotalinae includes rattlesnakes, cottonmouths (also known as water moccasins), and copperheads. These make up the vast majority of reports to the poison centers. They can be identified by their heat sensing pits located behind their nostrils (hence pit vipers). As a general rule, you can also identify the venomous snakes by their triangular or spade-like head, elliptical pupils, and hollow retractable fangs. Jeff: wait, so you want me to walk up to the snake and ask to see if their fangs retract… yea, no thanks. Nachi: Haha, of course not, I'm just giving you some of the general principles here. In contrast, non-venomous pit vipers have rounded heads, round pupils, a double row of vertical scales, and they lack fangs. Jeff: In terms of location, rattlesnakes are found in all states but Hawaii, and cottonmouths and copperheads are distributed mostly throughout the southern and southeastern states, with copperheads also extending further north, even into Massachusetts. Nachi: Moving on to the Elapidae – there are 3 species of coral snakes, only two of which you need to know about, Micrurus fulvius fulvius or the eastern coral snake and Micrurus tener or the Texas coral snake. Of the two, the eastern or Micrurus fulvius fulvius produces more potent venom. Jeff: As you may have guessed by their names, the eastern coral snake is found in the southeastern united states, specifically, east of the Mississippi -- whereas the Texas coral snake lives west of the Mississippi. Nachi: Venomous North American coral snakes can be recognized by the red and yellow bands around their bodies whereas their nonvenomous counterparts can be recognized by their characteristic black band between the red and yellow bands. I'm sure you've heard the popular mnemonic for this… Red touch yellow kill a fellow, red touch black, venom lack. Jeff: I have heard that one, and it's not a bad mnemonic. Just remember that this is more of a guideline than a rule, as it doesn't always hold true. Nachi: Coral snakes also tend to chew rather than bite thanks to their short, fixed, hollow fangs. Locally, bites can lead to muscle destruction thanks to a certain myotoxin. Systemic signs of infection include nausea, vomiting, abdominal pain, and dizziness. Jeff: The venom also contains a neurotoxin which can lead to diplopia, difficulty swallowing and speaking and generalized weakness. Nachi: Complicating matters even further, the onset of these symptoms may be delayed for many hours. Jeff: Alright, so I think that about wraps up the background. Let's move on to the meat and potatoes of this article, starting with the differential. Nachi: For differential this month, we are really focusing on differentiating a venomous snake from a non-venomous one. Jeff: Oh yeah, this is where you want us to ask the snake if it can retract its fangs, right? Nachi: Ha very funny – Although the type of snake may be obvious if the patient...
Jeff: Welcome back to Emplify, the podcast corollary to EB Medicine's Emergency Medicine Practice. I'm Jeff Nusbaum, and I'm back with my co-host, Nachi Gupta and we'll be taking you through the September 2018 issue of Emergency Medicine Practice - Emergency Department Management of North American Snake envenomations. Nachi: Although this isn't something we encountered too frequently – it does seem like I've been hearing more about snake bites in the recent months. Jeff: I actually flew someone just the other day because the local ED ran out of CroFab after an envenomation in Western PA. Nachi: Yeah, this is definitely more than “just a boards topic,” and it's really important to know about in those rare circumstances. In terms of incidence, there are actually about 10,000 ED visits in the US for snake bites each year, and 1/3 of these involve venomous species. Jeff: That's a good teaser, so let's start by recognizing this month's team – the two authors, Dr. Sheikh, a medical toxicologist, and Patrick Leffers, a pharmD, and emergency medicine and clinical toxicology fellow. Both are at the University of Florida Jacksonville, and they reviewed a total of 120 articles from 2006-2017, in addition to reviews from both Cochrane and Dare. Nachi: And don't forget our peer reviewers this month, Dr. Daniel Sessions, a medical toxicologist working at the South Texas Poison Center, and our very own editor-in-chief, Dr. Andy Jagoda, who is also Chair of the Department of Emergency Medicine at Mount Sinai in New York City. Jeff: What a team! But, let's get back to the snakes. As some background, from 2006-2015 there were almost 66,000 reported snake exposures and 31 deaths from snake envenomation in the US. Of course, this number likely underestimates the true total. Nachi: And there are two key subfamilies of venomous snakes to be aware of – the Crotalinae – or pit vipers – which includes rattlesnakes, copperheads, and water moccasins; and the Elapidae – of which you really only need to know about the coral snake. Jeff: And while those are the only two NATIVE snake subfamilies to be acutely aware of, don't forget that exotic snakes, which are shockingly popular pets -- they can also cause significant morbidity and mortality. Nachi: Oh, and one other quick note before we get into the epidemiology – most of the recommendations this month come from expert opinion, as high quality RCTs are obviously difficult. In addition, many of the studies were based in other countries, where the snakes, the anti-venoms and their availability, and the general healthcare systems are different from those that most of us work in. Jeff: Unless we have listeners abroad? Do we have listeners in other countries? Nachi: Oh we definitely do... but we are going to be a bit biased towards US envenomation today. In any case, venomous snake bites occur most frequently in men aged 18 to 49 during warmer months with provoked bites occurring more frequently in the upper extremities and unprovoked bites in the lower extremities. Jeff: In one study of poison center data from the last decade, nearly half of all victims of snake bites were victims of unknown type snakes. However, of those that were known, copperheads were the most common, while rattlesnakes caused the most fatalities – 19 of 31 in this dataset. Nachi: In a separate study of snake bites in the early 2000s, 32% of exposures were from venomous snakes and 59% of those resulted in admission. That's remarkably high. Jeff: Snake bite severity depends on several key factors: the amount of venom, the composition of the venom, the body size of the bite victim, the victim's clothing, the size of the bite, comorbid conditions, and the timing and quality of medical care the victim receives. Nachi: To be a bit more specific - First, the amount of venom will depend on the species of snake, with variations even occurring within the same species. Secondly,
Show Notes Disclaimer: This is the unedited transcript of the podcast. Please excuse any typos. Jeff: Welcome back to Emplify, the podcast corollary to EB Medicine's Emergency Medicine Practice. I'm Jeff Nusbaum, and I'm back with my co-host, Nachi Gupta and we'll be taking you through the August 2018 issue of Emergency Medicine Practice. Nachi: This month's topic is one that Jeff has significant personal experience with from his college days. We're reviewing Cannabinoids -- and emerging evidence in their use and abuse. Jeff: Um… that is definitely not true. I was actually a varsity rower in college... Are we still reviewing talking points together before we start recording these episodes? Nachi: Sometimes… Jeff: This month's issue was authored by Mollie Williams, who is the EM residency program director at the Brooklyn Hospital Center. It was peer-reviewed by Joseph Habboushe, assistant professor at NYU and Nadia Maria Shaukat, director of the emergency and critical care ultrasound at Coney Island Hospital in Brooklyn, New York. Nachi: We're going to be talking about the pathophysiology of cannabinoids, clinical findings in abuse, best practice management, differences between natural and synthetic cannabinoids, and treatment for cannabinoid hyperemesis syndrome. So buckle up and get ready. Jeff: As you're listening through this episode, remember that the means that we are about to answer one of the CME questions from the end of the print issue. If you're not driving while listening, be sure to jot down these answers and get your CME credit when we're going through this issue.. Nachi: As of June 2018, there are 31 states, the District of Columbia, and 2 US territories that possess state and local-level laws allowing the use of cannabis medicinally or in recreational formulations. Marijuana actually maintains the highest lifetime use of an illicit drug used within the US. Jeff: There are a shocking 22 million past-month users of marijuana in the US, followed by pain relievers at 3.8 million, and cocaine at 1.9 million. Clearly, an important topic worth discussion, especially as synthetic products have become more widely available. Nachi: And worth noting -- Colorado, where medicinal and recreational marijuana use has been decriminalized and later legalized, has shown a nearly 2-fold increase in the prevalence of ED visits, which may be related to marijuana exposure. Jeff: Medicinally, cannabinoids are currently used in the treatment of chronic pain syndromes, complications of multiple sclerosis and paraplegia, weight loss due to appetite suppression in HIV/aids, chemotherapy-induced nausea and vomiting, seizures, and many other neuropsychiatric disorders. In fact, cannabis use has been documented for medical use dating as far back as 600 BC in West and Central Asia. Nachi: All of that being said though, there is an absence of high-quality reviews and evidence to support the use of cannabinoids for any of the indications you just mentioned. And the US DEA maintains cannabis as a Schedule I substance. Jeff: This DEA designation limits the ability to do research and obtain federal funding for such research. General lack of federal regulations on chemical content also leads to product variation, which may be a cause of increased incidences of accidental overdoses. Nachi: To attain the most up to date information for this article, Dr. Williams searched the PubMed and Cochrane Databases from 1950 to 2018. This produced predominantly case reports and retrospective studies. There were just a few randomized prospective studies -- not surprising. Jeff: Let's get started with the pathophysiology. There are 3 cannabis species to be aware of: Cannabis sativa, cannabis indica, and cannabis ruderalis. Within these species, over 545 active cannabis-derived components have been described. Nachi: There are ten main constituents of cannabis sativa. Of these, 9-tetrahydrocannabinol (delta-9-THC) and cannabidiol (CBD) are found...
Show Notes Disclaimer: This is the unedited transcript of the podcast. Please excuse any typos. Jeff: Welcome back to Emplify, the podcast corollary to EB Medicine's Emergency Medicine Practice. I'm Jeff Nusbaum, and I'm back with my co-host, Nachi Gupta and we'll be taking you through the August 2018 issue of Emergency Medicine Practice. Nachi: This month's topic is one that Jeff has significant personal experience with from his college days. We're reviewing Cannabinoids -- and emerging evidence in their use and abuse. Jeff: Um… that is definitely not true. I was actually a varsity rower in college... Are we still reviewing talking points together before we start recording these episodes? Nachi: Sometimes… Jeff: This month's issue was authored by Mollie Williams, who is the EM residency program director at the Brooklyn Hospital Center. It was peer-reviewed by Joseph Habboushe, assistant professor at NYU and Nadia Maria Shaukat, director of the emergency and critical care ultrasound at Coney Island Hospital in Brooklyn, New York. Nachi: We're going to be talking about the pathophysiology of cannabinoids, clinical findings in abuse, best practice management, differences between natural and synthetic cannabinoids, and treatment for cannabinoid hyperemesis syndrome. So buckle up and get ready. Jeff: As you're listening through this episode, remember that the means that we are about to answer one of the CME questions from the end of the print issue. If you're not driving while listening, be sure to jot down these answers and get your CME credit when we're going through this issue.. Nachi: As of June 2018, there are 31 states, the District of Columbia, and 2 US territories that possess state and local-level laws allowing the use of cannabis medicinally or in recreational formulations. Marijuana actually maintains the highest lifetime use of an illicit drug used within the US. Jeff: There are a shocking 22 million past-month users of marijuana in the US, followed by pain relievers at 3.8 million, and cocaine at 1.9 million. Clearly, an important topic worth discussion, especially as synthetic products have become more widely available. Nachi: And worth noting -- Colorado, where medicinal and recreational marijuana use has been decriminalized and later legalized, has shown a nearly 2-fold increase in the prevalence of ED visits, which may be related to marijuana exposure. Jeff: Medicinally, cannabinoids are currently used in the treatment of chronic pain syndromes, complications of multiple sclerosis and paraplegia, weight loss due to appetite suppression in HIV/aids, chemotherapy-induced nausea and vomiting, seizures, and many other neuropsychiatric disorders. In fact, cannabis use has been documented for medical use dating as far back as 600 BC in West and Central Asia. Nachi: All of that being said though, there is an absence of high-quality reviews and evidence to support the use of cannabinoids for any of the indications you just mentioned. And the US DEA maintains cannabis as a Schedule I substance. Jeff: This DEA designation limits the ability to do research and obtain federal funding for such research. General lack of federal regulations on chemical content also leads to product variation, which may be a cause of increased incidences of accidental overdoses. Nachi: To attain the most up to date information for this article, Dr. Williams searched the PubMed and Cochrane Databases from 1950 to 2018. This produced predominantly case reports and retrospective studies. There were just a few randomized prospective studies -- not surprising. Jeff: Let's get started with the pathophysiology. There are 3 cannabis species to be aware of: Cannabis sativa, cannabis indica, and cannabis ruderalis. Within these species, over 545 active cannabis-derived components have been described. Nachi: There are ten main constituents of cannabis sativa. Of these, 9-tetrahydrocannabinol (delta-9-THC) and cannabidiol (CBD) are found in the greatest quantities. The neuropsychiatric and addictive properties of cannabis are due primarily to the delta-9-THC. Jeff: THC and other cannabis derivatives work through the endocannabinoid system and other neuroregulators. The endogenous cannabinoid system has 4 components: (1) endogenous endocannabinoids, (2) receptors, (3) degradation enzymes, and (4) transport mechanisms. Nachi: There are two endogenous endocannabinoids to know about: anandamide (AEA) and 2-arachidonoyl-glycerol. Jeff: Cannabinoid receptors are broadly dispersed through the central nervous system, and to a lesser degree, also to other organ systems. Nachi: Because CB receptors are concentrated within the central nervous system, they exert the majority of their effects on the neuropsychiatric systems. And -- yes that's a double ding -- the cannabinoid 1 (or CB1) receptor is most responsible for cannabis-induced neuropsychiatric effects. Jeff: Interestingly, the anti-emetic effects and possible palliative properties of cannabis derivatives are thought to be secondary to the inhibitory effects on serotonin receptors and the excitatory effects on the transient receptor potential vanilloid 1 (or TRPV1). More on TRPV1 later... Nachi: So far we have been talking about cannabinoids from the cannabis plant, but with cannabis being illegal in many states, there has been a growing emergence of synthetic cannabinoids. Synthetics were initially developed in the 1980s largely for research purposes. Jeff: Because the current DEA controlled substances schedule designations are based on original chemical names, synthetics have gained popularity as manufacturers are able to produce newer compounds and circumvent DEA designation as well as routine urine drug screening tests. Nachi: You may be familiar with some of the street names for synthetics -- like spice, K2, scooby snacks, black mamba, kush, and kronic. These can often be purchased over the internet or through specialty smoke shops. Jeff: Scooby Snacks, what a fantastic name, mooovingggg on… Synthetic cannabinoids often have greater affinity for the CB1 receptor than naturally occurring cannabinoids -- and synthetics can produce 100 times the effect. As a result, the presenting symptoms with synthetic intoxication can be difficult to differentiate from crystal meth or bath salt abuse. Nachi: Manufacturers sometimes use solvents and other contaminants. Clusters of toxic ingestions and deaths have occurred. Emergency clinicians need to be aware of this and should report suspicious events immediately. Jeff: For more on synthetic intoxications in the ED, be sure to take a look at the recent May 2018 issue of Pediatric Emergency Medicine Practice on Synthetic Drug Intoxication in Children if you haven't already read it. Also, just a quick FYI - If you're not a current subscriber to Pediatric Emergency Medicine Practice, we're giving away a free copy of the issue specifically for our listeners. Just head over to ebmedicine.net/drugs for the PDF of the issue. Nachi: A free issue for our listeners, that's nice! Let's move on to a discussion about current indications for cannabinoids. So, there is no clear consensus on these indications, but there is some research of varying quality that supports the treatment of some chronically debilitating diseases with cannabinoids. Jeff: A systematic review and meta-analysis from 2015 found low-quality evidence to support cannabis therapy for appetite suppression in HIV and aids patients; moderate-quality evidence for treatment of chronic pain and spasticity; and also moderate quality evidence for some chronic debilitating diseases. Nachi: While talking about evidence-based medicine here, another review by the National Academies of Science, Engineering, and Medicine on possible associations between cannabis and cancers arising in the lungs, head, and neck, or testicles -- showed no statistically significant associations exist. Jeff: So in case that wasn't clear - the overall evidence to support cannabis therapy, in general, is weak. Also, be aware that there are various formulations of cannabis that allow for different routes of administration. We're talking oils, tinctures, teas, extracts, edibles like candies and baked goods, parenteral formulations, eye solutions, intranasal, sublingual, transmucosal, tablets, sprays, skin patches, topical creams, rectal suppositories, and capsules -- just to name, a few. Nachi: A few! That seems pretty complete to me. Basically, any way you can imagine, it seems like a route of administration has been explored. But of importance, these formulations have different absorption times -- as you might expect. The shortest duration to peak plasma levels of delta-9-THC is through the inhalation route, which can produce effects within 3 minutes. On the longer end, rectal cannabis administration can take up to 8 hours to reach peak plasma concentrations. Jeff: Let's talk about some of the clinical findings and systemic effects associated with cannabis use. First up is the link between cannabis use and stroke or TIA. Cannabis users wh...
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