Emergency Medical Minute
Contributor; Taylor Lynch, MD Educational Pearls: Thoracotomy Thoracotomy is used in traumatic cardiac arrest to replace conventional CPR with direct access to the chest. Goals include identifying and controlling reversible causes of bleeding, prioritizing blood flow to the heart and brain, and performing open cardiac massage. Trauma categories Penetrating trauma: Gunshot wounds and stab wounds. Has a higher chance of survival because the injury may be localized and directly repairable. Cardiac stab wounds may have the highest survivability because the defect can be...
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Contributor: Aaron Lessen, MD Educational Pearls: Agitated patients who are intoxicated with methamphetamine pose a unique challenge when selecting a sedative to counter their symptoms. Is there a superior medication? A recent study compared the efficacy of commonly used medications for methamphetamine-induced agitation in the emergency department. The study compared IM Droperidol 5mg, IM Olanzapine 10mg, IM Midazolam 5mg, and IM Lorazepam 2mg. The study concluded that Droperidol, Olanzapine, and Midazolam performed similarly, with a median time to adequate sedation of...
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Contributor: Meghan Hurley, MD Educational Pearls: What animal is the most lethal to humans? Depending on how we define lethal, and animal, this answer is actually not straight forward. Globally and in the U.S. the most lethal animal is humans, accounting for ~436,000 to ~20,000 deaths (homicides) per year on average respectively. In the United States the most lethal animal is of the Hymenoptera order (bees, wasps, and hornets). It accounts for approximately ~60 deaths per year from anaphylaxis. Globally the number is harder to track, but is estimated between...
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Contributor: Travis Barlock, MD Educational Pearls: First-pass success is critical to limit complications from apnea, hypoxia, and airway trauma. Complication rate for patients intubated on the first pass is 14% Complication rates increase to 47% after two attempts, 64% after three, and 71% after the fourth attempt How to improve likelihood of first-pass success: Use Video laryngoscopy (VL). VL increases chance of first-pass success to 85% from 71% Use a bougie, especially in patients with anatomically difficult or otherwise obstructed airways. The BEAM study...
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Dan Orbidan, OMS-II and Dr. Travis Barlock, MD discuss a real out of hospital call. This episode covers the implications of a pharmacologically abnormal patient presentation and the pre and post hospital considerations for patient management and care.
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Carepoint Journal Club is a quarterly series with discussions about a medical topic, brought to you by Carepoint's Emergency Physicians.
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Contributor: Aaron Lessen, MD Educational Pearls: UTIs are commonly seen in older women We often see them taking long-term prophylactic antibiotics because of common recurrence. Around 20-30% of older women who develop a UTI have a recurrence due to either diagnostic failure, treatment failure or non-compliance with treatment. UTI signs and symptoms Burning sensation when urinating Strong urge to urinate Urinating often and passing small amounts of urine. Pelvic pain There are currently more guidelines and studies on treatments to prevent these...
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Contributor: Aaron Lessen, MD Educational Pearls: Back pain is a common presenting complaint in the emergency department. Challenges arise when tailoring care to elderly populations using standard medical therapy: Muscle relaxants carry the risk of CNS depression or anticholinergic effects such as urinary retention and confusion. Pain medications such as opiates have side effects including constipation, respiratory depression, and hypotension. NSAIDs carry a risk of GI bleeding and worsening kidney function with chronic use. A randomized clinical trial assessing the effects...
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Contributor: Travis Barlock, MD Educational Pearls: Caffeine Geography and Types: Caffeine is found throughout the world and has evolved independently in various plants that are not evolutionarily related through direct lineage, but rather demonstrate convergent evolution (i.e. different species evolve the same traits). These plants use caffeine as an insecticide. Examples of caffeine sources include coffee, tea, yerba-mate, guaraná, cacao, and yaupon holly. Roughly 85% of Americans are estimated to consume caffeine daily. Caffeine Pharmacology in...
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Contributor: Travis Barlock, MD Educational Pearls: Endocannabinoid System: THC binds CB1 and CB2 receptors in neurons and immune cells Δ9-Tetrahydrocannabinol (THC) is the main psychoactive compound in cannabis CB1 and CB2 receptors typically bind endogenously-produced 2-arachidonoylglycerol (2-AG) and anandamide (AEA) to regulate pain, stress, and inflammation THC similarly binds CB1 and CB2, leading to the cannabinoid high: euphoria, paranoia, anxiety, analgesia, anti-inflammation, and appetite, among a variety of others Ingestion via edibles, vice inhalation via smoking,...
info_outlineContributors: Preeya Prakash MD, Adam Greenhaw PharmD, Travis Barlock MD, and Jeffrey Olson MS4
In this episode, cardiologist Preeya Prakash and medical student Jeffrey Olson listen in as two cases are presented from EMM’s recent event, Tox Talk 2025.
Talk 1- Digoxin Overdose
Dr. Adam Greenhaw presents a case of a Digoxin overdose along with many pearls. During the studio listen in, Dr. Prakash helps to answer the questions of:
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How does digoxin work?
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Why might a patient still be on digoxin in 2025?
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What are the EKG findings of digoxin toxicity?
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Is there any utility in atropine for bradycardia caused by digoxin?
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Should you use calcium to treat hyperkalemia in the setting of a digoxin overdose?
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If/when might a cardiologist get involved in a patient with a digoxin overdose?
Talk 2- Propranolol Overdose
Dr. Travis Barlock presents a case of a beta blocker overdose as well as many associated pearls. During our studio listen in, Dr. Prakash helps to answer the questions of:
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What are the different beta blockers and how do they work?
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If you are worried about a propranolol overdose, what medications do you want on hand?
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What POCUS cardiac view can give you the most information for different scenarios?
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Why or why not might transcutaneous or intravenous pacing be a good idea for a beta blocker overdose?
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If/when might you want a cardiologist to get involved in a patient with a beta blocker overdose?
References
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Alahmed AA, Lauffenburger JC, Vaduganathan M, Aldemerdash A, Ting C, Fatani N, Fanikos J, Buckley LF. Contemporary Trends in the Use of and Expenditures on Digoxin in the United States. Am J Cardiovasc Drugs. 2022 Sep;22(5):567-575. doi: 10.1007/s40256-022-00540-x. Epub 2022 Jun 24. PMID: 35739347; PMCID: PMC10263277.
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Chan BS, Buckley NA. Digoxin-specific antibody fragments in the treatment of digoxin toxicity. Clin Toxicol (Phila). 2014 Sep-Oct;52(8):824-36. doi: 10.3109/15563650.2014.943907. Epub 2014 Aug 4. PMID: 25089630.
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Hack JB, Wingate S, Zolty R, Rich MW, Hauptman PJ. Expert Consensus on the Diagnosis and Management of Digoxin Toxicity. Am J Med. 2025 Jan;138(1):25-33.e14. doi: 10.1016/j.amjmed.2024.08.018. Epub 2024 Sep 11. PMID: 39265879.
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Krenz JR, Kaakeh Y. An Overview of Hyperinsulinemic-Euglycemic Therapy in Calcium Channel Blocker and β-blocker Overdose. Pharmacotherapy. 2018 Nov;38(11):1130-1142. doi: 10.1002/phar.2177. Epub 2018 Oct 4. PMID: 30141827.
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Patocka J, Nepovimova E, Wu W, Kuca K. Digoxin: Pharmacology and toxicology-A review. Environ Toxicol Pharmacol. 2020 Oct;79:103400. doi: 10.1016/j.etap.2020.103400. Epub 2020 May 7. PMID: 32464466.
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Rotella JA, Greene SL, Koutsogiannis Z, Graudins A, Hung Leang Y, Kuan K, Baxter H, Bourke E, Wong A. Treatment for beta-blocker poisoning: a systematic review. Clin Toxicol (Phila). 2020 Oct;58(10):943-983. doi: 10.1080/15563650.2020.1752918. Epub 2020 Apr 20. PMID: 32310006.
Produced by Jeffrey Olson, MS4
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