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PODCAST

Emergency Medical Minute

Emergency Medical Minute

Our near daily podcasts move quickly to reflect current events, are inspired by real patient care, and speak to the true nature of what it"s like to work in the Emergency Room or Pre-Hospital Setting. Each medical minute is recorded in a real emergency department, by the emergency physician or clinical pharmacist on duty – the ER is our studio and everything is live.

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All Episodes

06:44

Episode 916: Central Cord Syndrome

Emergency Medical Minute ·

2024/08/12

Contributor: Taylor Lynch, MD Educational Pearls: What is Central Cord Syndrome (CCS)? Incomplete spinal cord injury caused by trauma that compresses the center of the cord More common in hyperextension injuries like falling and hitting the chin Usually happens only in individuals with preexisting neck and spinal cord conditions like cervical spondylosis (age-related wear and tear of the cervical spine) Anatomy of spinal cord Motor tracts The signals the brain sends for the muscles

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04:04

Episode 915: Severe Burn Injuries

Emergency Medical Minute ·

2024/08/05

Contributor: Megan Hurley, MD Educational Pearls: Initial assessment of patients with severe burn injuries begins with ABCs Airway: consider inhalation injury Breathing: circumferential burns of the trunk region can reduce respiratory muscle movement Circulation: circumferential burns compromise circulation Exposure: Important to assess the affected surface area Escharotomy: emergency procedure to release the tourniquet-ing effects of the eschar Differs from a fasciotomy in that

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10:34

Podcast 914: Neuroleptic Malignant Syndrome (NMS)

Emergency Medical Minute ·

2024/07/29

Contributor: Taylor Lynch, MD Educational Pearls: What is NMS? Neuroleptic Malignant Syndrome Caused by anti-dopamine medication or rapid withdrawal of pro-dopamenergic medications Mechanism is poorly understood Life threatening What medications can cause it? Typical antipsychotics Haloperidol, chlorpromazine, prochlorperazine, fluphenazine, trifluoperazine Atypical antipsychotics Less risk Risperidone, clozapine, quetiapine, olanzapine, aripiprazole, ziprasidone

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01:58

Episode 913: Vasopressors after ROSC

Emergency Medical Minute ·

2024/07/23

Contributor: Travis Barlock MD Educational Pearls: Recent study assessed outcomes after ROSC with epinephrine vs. norepinephrine Observational multicenter study from 2011-2018 285 patients received epineprhine and 481 received norepinephrine Epinephrine was associated with an increase in all-cause mortality (primary outcome) Odds ratio 2.6; 95%CI 1.4-4.7; P = 0.002 Higher cardiovascular mortality (secondary outcome) Higher proportion of unfavorable neurological outcome (secondary

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06:44

Podcast 912: Narcan (Naloxone)

Emergency Medical Minute ·

2024/07/15

Contributor: Taylor Lynch, MD Educational Pearls: Opioid Epidemic- quick facts Drug overdoses, primarily driven by opioids, have become the leading cause of accidental death in the U.S. for individuals aged 18-45. In 2021, opioids were involved in nearly 75% of all drug overdose deaths The rise of synthetic opioids like fentanyl, which is much more potent than heroin or prescription opioids, has played a major role in the increase in overdose deaths What is Narcan AKA Naloxone? Competitive

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07:31

Episode 911: Anticholinergic Toxicity

Emergency Medical Minute ·

2024/07/08

Contributor: Taylor Lynch MD Educational Pearls: Anticholinergics are found in many medications, including over-the-counter remedies Medications include: Diphenhydramine Tricyclic antidepressants like amitriptyline Atropine Antipsychotics like olanzapine Antispasmodics - dicyclomine Jimsonweed Muscaria mushrooms Mechanism of action involves competitive antagonism of the muscarinic receptor Symptomatic presentation is easily remembered via the mnemonic: Dry as a bone -

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01:45

Episode 910: Cellulitis Recovery Timeline

Emergency Medical Minute ·

2024/07/02

Contributor: Aaron Lessen, MD Educational Pearls: How fast does cellulitis recover? A recent prospective cohort study took a look at this question. The study included 300 adults with cellulitis (excluding those with peri-orbital cellulitis or abscesses) in two emergency departments in Queensland, Australia. They collected data from initial and follow-up surveys at 3, 7, and 14 days, and compared clinician and patient assessments at day 14. Improvement was fastest between day 0 and day 3,

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02:08

Episode 909: Prehospital Blood Pressure Management in...

Emergency Medical Minute ·

2024/06/24

Contributor: Aaron Lessen MD Educational Pearls: A recent study assessed EMS treatment of high blood pressure in the field 2404 patients randomized to prehospital treatment (1205) vs. usual care (1199) Included patients with prehospital BP greater than 150 mm Hg The treatment arm’s BP goal was 130-140 mm Hg The primary efficacy outcome was functional status 90 days out Stroke was confirmed by imaging upon hospital arrival On arrival, the mean SBP of the treatment arm was 159 mm Hg

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07:54

Episode 908: Sympathomimetic Drugs

Emergency Medical Minute ·

2024/06/17

Contributor: Taylor Lynch MD Educational Pearls: Overview: Sympathomimetic drugs mimic the fight or flight response, affecting monoamines such as dopamine, norepinephrine, and epinephrine Limited therapeutic use, often abused. Types: Amphetamines: Methamphetamine, Adderall, Ritalin, Vyvanse MDMA (Ecstasy) Cocaine (Both hydrochloride salt & free based crack cocaine) Theophylline (Asthma treatment) Ephedrine (For low blood pressure) BZP, Oxymetazoline (Afrin), Pseudoephedrine (Sudafed) MAO

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03:46

Episode 907: Wide-Complex Tachycardia

Emergency Medical Minute ·

2024/06/12

Contributor: Travis Barlock MD Educational Pearls: Wide-complex tachycardia is defined as a heart rate > 100 BPM with a QRS width > 120 milliseconds Wide-complex tachycardia of supraventricular origin is known as SVT with aberrancy Aberrancy is due to bundle branch blocks Mostly benign Treated with adenosine or diltiazem Wide-complex tachycardia of ventricular origin is also known as VTach Originates from ventricular myocytes, which are poor inherent pacemakers Dangerous rhythm

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03:46

Episode 906: Case Study of Hypernatremia

Emergency Medical Minute ·

2024/06/03

Contributor: Aaron Lessen MD Educational Pearls: The case: A gentleman came in from a nursing home with symptoms concerning for sepsis. He was hypotensive, hypoxic, febrile, and mentally altered. His past medical history included previous strokes which had left him with deficits for which he required a feeding tube. Initial workup included some point of care labs which revealed a sodium of 165 mEq/L (normal range 135-145) Hypernatremia What causes it? Dehydration, from insufficient

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02:37

Episode 905: Oseltamivir (Tamiflu) for Influenza

Emergency Medical Minute ·

2024/05/27

Contributor: Aaron Lessem MD Educational Pearls: Oseltamivir (Tamiflu) is an antiviral medication used commonly to treat influenza Trials show that the medication reduces the duration of illness by less than 1 day (~16 hours in one systematic review) Benefit only occurs if taken within 48 hours of symptom onset Must be taken for 5 days A 2024 meta-analysis reviewed 15 randomized-controlled trials for the risk of hospitalization No reduction in hospitalizations with oseltamivir in

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02:11

Episode 904: Cardiovascular Risks of Epinephrine

Emergency Medical Minute ·

2024/05/20

Contributor: Aaron Lessen MD Educational Pearls: Epinephrine is essential in the treatment of anaphylaxis, but is epinephrine dangerous from a cardiovascular perspective? A 2024 study in the Journal of the American College of Emergency Physicians Open sought to answer this question. Methods: Retrospective observational study at a Tennessee quaternary care academic ED that analyzed ED visits from 2017 to 2021 involving anaphylaxis treated with IM epinephrine. The primary outcome was

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02:47

Episode 903: Treating Precipitated Opioid Withdrawal

Emergency Medical Minute ·

2024/05/13

Contributor: Aaron Lessen MD Educational Pearls: Opioid overdoses that are reversed with naloxone (Narcan), a mu-opioid antagonist, can precipitate acute withdrawal in some patients Treatment of opioid use disorder with buprenorphine can also precipitate withdrawal Opioid withdrawal symptoms include nausea, vomiting, diarrhea, and agitation Buprenorphine works as a partial agonist at mu-opioid receptors, which may alleviate withdrawal symptoms The preferred dose of buprenorphine is 16 mg

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03:13

Episode 902: Liver Failure and Cirrhosis

Emergency Medical Minute ·

2024/05/06

Contributor: Travis Barlock MD Educational Pearls: How do you differentiate between compensated and decompensated cirrhosis? Use the acronym VIBE to look for signs of being decompensated. V-Volume Cirrhosis can cause volume overload through a variety of mechanisms such as by increasing pressure in the portal vein system and the decreased production of albumin. Look for pulmonary edema (dyspnea, orthopnea, wheezing/crackles, coughing up frothy pink sputum, etc.) or a tense abdomen.

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02:43

Episode 901: Underdosing in Status Epilepticus

Emergency Medical Minute ·

2024/04/29

Contributor: Aaron Lessen MD Educational Pearls: Lorazepam (Ativan) is dosed at 0.1 mg/kg up to a maximum of 4 mg in status epilepticus Some ED protocols only give 2 mg initially The maximum recommended dose of levetiracetam (Keppra) is 60 mg/kg or 4.5 g In one retrospective study, only 50% of patients received the correct dose of lorazepam For levetiracetam, it was only 35% of patients Underdosing leads to complications Higher rates of intubations More likely to progress to

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02:35

Episode 900: Ketamine Dosing

Emergency Medical Minute ·

2024/04/22

Contributor: Travis Barlock MD Educational Pearls: Ketamine is an NMDA receptor antagonist with a wide variety of uses in the emergency department. To dose ketamine remember the numbers 0.3, 1, and 3. Pain dose For acute pain relief administer 0.3 mg/kg of ketamine IV over 10-20 minutes (max of 30 mg). Note: There is evidence that a lower dose of 0.1-0.15 mg/kg can be just as effective. Dissociative dose To use ketamine as an induction agent for intubation or for procedural sedation

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03:51

Episode 899: Thrombolytic Contraindications

Emergency Medical Minute ·

2024/04/15

Contributor: Travis Barlock MD Educational Pearls: Thrombolytic therapy (tPA or TNK) is often used in the ED for strokes Use of anticoagulants with INR > 1.7 or PT >15 Warfarin will reliably increase the INR Current use of Direct thrombin inhibitor or Factor Xa inhibitor aPTT/PT/INR are insufficient to assess the degree of anticoagulant effect of Factor Xa inhibitors like apixaban (Eliquis) and rivaroxaban (Xarelto) Intracranial or intraspinal surgery in the last 3 months

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03:44

Episode 898: Takotsubo Cardiomyopathy

Emergency Medical Minute ·

2024/04/10

Contributor: Ricky Dhaliwal, MD Educational Pearls: Takotsubo cardiomyopathy, also known as "broken heart syndrome,” is a temporary heart condition that can mimic the symptoms of a heart attack, including troponin elevations and mimic STEMI on ECG. The exact cause is not fully understood, but it is often triggered by severe emotional or physical stress. The stress can lead to a surge of catecholamines which affects the heart (multivessel spasm/paralysed myocardium). The name "Takotsubo" comes

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04:33

Episode 897: Adrenal Crisis

Emergency Medical Minute ·

2024/04/01

Contributor: Ricky Dhaliwal MD Educational Pearls: Primary adrenal insufficiency (most common risk factor for adrenal crises) An autoimmune condition commonly known as Addison's Disease Defects in the cells of the adrenal glomerulosa and fasciculata result in deficient glucocorticoids and mineralocorticoids Mineralocorticoid deficiency leads to hyponatremia and hypovolemia Lack of aldosterone downregulates Endothelial Sodium Channels (ENaCs) at the renal tubules Water follows sodium

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