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by 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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- 1 weeks ago1 min
Podcast 1028: POCUS Before Cath in Pediatric Patients
Contributor: Aaron Lessen, MD Educational Pearls: Febrile work-ups in the emergency department require obtaining a urine sample to assess for UTI. In non-toilet trained children, this often means using catheterization. Depending on the volume of urine in the bladder, there may not be enough present to get an adequate sample. Performing a bladder scan before catheterization may be helpful in determining if there is enough urine there in the first place to get a sample. A recent systematic review and meta-analysis of three randomized control trials found that performing a POCUS prior to catheterization in 337 children aged 36 months and younger led to higher success in obtaining a sample. The success of getting a sample on the first attempt increased from 72.5% to 89.7%. The rate of dry taps decreased from 23.9% to 3.6%. POCUS before catheterization is an easy tool providers can use to ensure an adequate first attempt and reduce unnecessary discomfort for the child. References: Vieira da Silva HF, Watanabe ET, Tavares MC, Ramos Bicalho AC, Ferraro LSD, Simões E Silva AC. Point-of-care ultrasound for pediatric urethral catheterization: a systematic review and meta-analysis of randomized controlled trials. Acad Emerg Med. 2026;33(6):e70342. doi:10.1111/acem.70342 Summarized by Ashley Lyons, OMS4 | Edited by Ashley Lyons & Ahmed Abdel-Hafiz, NREMT-P Donate: https://emergencymedicalminute.org/donate/ Join our mailing list: http://eepurl.com/c9ouHf
- 2 weeks ago2 min
Podcast 1027: Oculocardiac Reflex
Contributor: Taylor Lynch, MD Educational Pearls: What is the oculocardiac reflex? The oculocardiac reflex occurs when pressure or traction is put onto the globe of the eye or extraocular muscles that causes increased stimulus to the ophthalmic division of the trigeminal nerve (Cranial Nerve V). The trigeminal nerve then has a reflex arc with the vagus nerve (Cranial Nerve X) causing it to be stimulated and create downstream outward parasympathetic effects. The activated vagus nerve will cause an inhibitory signal to be sent to the heart, causing bradycardia. This bradycardia can also be present as certain arrhythmias like AV blocks. What are the patient presentations and treatment considerations for the oculocardiac reflex? In the emergency department or pre-hospital field it can present in patients with frank orbital trauma with otherwise unexplained bradycardia including: blow-out fractures, retrobulbar hematoma, foreign bodies in the eye, or be caused from eye-dressings placed too tightly. For treatment, the most important step is recognizing the condition and removing the offending agent that may be causing the reflex, and seeking to reduce pressure. It is also important to have the patient on cardiac monitoring. If that is not effective, atropine can be considered at 0.5mg repeat doses to improve the bradycardia, but ultimately trying to end the reflex arc is important. References Chua AW, Chua MJ, Leung H, Kam PC. Anaesthetic considerations for strabismus surgery in children and adults. Anaesth Intensive Care. 2020;48(4):277-288. doi:10.1177/0310057X20937710 Arnold RW. The Oculocardiac Reflex: A Review. Clin Ophthalmol. 2021;15:2693-2725. doi:10.2147/OPTH.S317447 Summarized by Dan Orbidan, OMS3 | Edited by Dan Orbidan & Ahmed Abdel-Hafiz, NREMT-P Donate: https://emergencymedicalminute.org/donate/ Join our mailing list: http://eepurl.com/c9ouHf Golf Fundraiser: https://www.zeffy.com/en-US/ticketing/emergency-medical-minute-charity-golf--2026
- 2 weeks ago7 min
Podcast 1026: Esophageal Balloon Tamponade Devices
Contributor: Jeffrey Olson, MD Educational Pearls: What are they? A flexible balloon and suction tube that we insert into the esophagus and into the stomach to stop bleeding. When to use? Typically used for variceal bleeding. Use whenever the patient is too unstable to be transferred to more definitive therapy. What are the different types? Linton - Nachlas Tube Single gastric balloon with a suction port for the stomach and sometimes a suction port for the esophagus. Sengstaken - Blakemore Tube Gastric balloon and esophageal balloon with only a gastric suction port Minnesota Tube Both gastric and esophageal balloon and both gastric and esophageal suction ports How do you place one? Before placement Secure the airway first in a patient with massive ongoing hematemesis Insertion Fully lubricate the tube. Remove the white caps from the gastric and esophageal inflation ports. Test your balloons by placing them in the water and inflating them using your syringe. Place your three-way stopcocks on your esophageal and gastric inflation ports. Insert the tube similar to an OG tube until you have reached the 50 cm mark for the gastric balloon Use a slip syringe at the gastric aspiration site and auscultate to confirm that you are in the stomach. Then fill the gastric balloon with 50 cc of air. Verify the placement of the gastric balloon with a chest x-ray. (You can also pre-check with ultrasound) Fully inflate the gastric balloon Blakemore: 250ccs Minnesota: 450-500ccs Apply traction to the tube by tying a roller bandage to the end of it and then the other end to a 1L bag of IV fluids. Then hang the roller bandage over an IV pole. Place the nasogastric tube down to the pre-measured level above the gastric balloon and suction the esophageal space. If there is continued bleeding coming from the nasogastric tube then you will need to inflate the esophageal balloon. Note that Minnesota tubes already have their own esophageal suction port and will NOT need this NG tube placement to suction the esophagus. Use a "manometer" to inflate the esophageal balloon to 30mmHg. If bleeding persists, you can go to a maximum of 45mmHg What are some tricks? Using silk ties to add an accessory NG tube to add an extra suction port to a Blakemore tube Using a bougie to help advance Put the tube on ice to increase stiffness and make it easier to pass Use Macgills to help advance Use a laryngoscope Use endoscopic biopsy forceps threaded down the gastric port <p
- 3 weeks ago2 min
Podcast 1025: Post intubation Sedation
Podcast 1025: Post intubation Sedation Contributor: Aaron Lessen, MD Educational Pearls: Experts suggest that anyone who is put on a ventilation should be given sedation. When acquiring Rapid Sequence Intubation (RSI) medications and kits, one should also plan their sedation strategy and always consider the patient becoming unstable hypotensive after their intubation. References Needleman R, Dyer S, Martinez KA, Routsolias JC. Optimizing administration and timing of post intubation analgesia and sedation in the Emergency Department. Journal of Emergency Nursing. 2025;51(2):215-219. doi:10.1016/j.jen.2024.10.011 Baumgartner K, Fuller BM. Post-intubation sedation and analgesia in the emergency department: The basics and beyond. Emergency Medicine Clinics of North America. 2026;44(4):583-596. doi:10.1016/j.emc.2026.02.004 Rosenberg H, Hendin A, Rosenberg E. Just the Facts: Postintubation sedation in the emergency department. CJEM. 2020;22(6):764-767. doi:10.1017/cem.2020.437 Romagnoli, S., Matta, B., Driver, B.E. et al. A plea for enhanced monitoring of depth of sedation in patients who are intubated and ventilated. Crit Care 28, 342 (2024). https://doi.org/10.1186/s13054-024-05105-9 Summarized by Aaryn David | Edited by Aaryn David & Ahmed Abdel-Hafiz, NREMT-P Donate: https://emergencymedicalminute.org/donate/ Join our mailing list: http://eepurl.com/c9ouHf Golf Fundraiser: https://www.zeffy.com/en-US/ticketing/emergency-medical-minute-charity-golf--2026
- Oct 5, 20263 min
Podcast 1024: Caffeine Toxicity
Contributor: Taylor Lynch, MD Educational Pearls: Excessive caffeine intake can be dangerous. For normal adults, the toxicity level starts at 1000mg, which is equivalent to about 10 cups of coffee or 5 celsius drinks. For normal adults, lethal levels are about 5-10 grams, which is equivalent to about 50-100 cups of coffee. Most of these outcomes are not from drinking caffeine, but instead concentrated caffeine pills. For children, toxic levels are 15mg per kg of the child. Within the last 10 years 20-40 deaths due to caffeine intake have been reported. This may be lower than the actual number due to cardiac arrests that potentially could have been caused from caffeine intake. Clinical presentation of caffeine toxicity can present in many ways. Most common symptoms include agitation and jitteriness The far end of the spectrum includes seizures, tachydysrhythmias, and eventually cardiovascular collapse. Caffeine is a part of the methylxanthine class. Caffeine is a phosphodiesterase inhibitor, which causes the release of calcetamines that act on your beta-2 receptors. This activates the sodium potassium ATPase and causes potassium to shift intracellular. The clinical presentation of this mechanism is a patient with low potassium and agitation. Treatments for toxic caffeine levels include: Replacing potassium, but slowly since the total potassium levels in the body are normal and will eventually return to normal once the caffeine wears off. Benzodiazepines Activated charcoal Dialysis, since caffeine is dialyzable References National Center for Biotechnology Information. "PubChem Compound Summary for CID 2519, Caffeine" PubChem, https://pubchem.ncbi.nlm.nih.gov/compound/Caffeine. Accessed 9 July, 2026. Murray A, Traylor J. Caffeine Toxicity. [Updated 2025 Feb 6]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2026 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK532910/ Cyril Willson, The clinical toxicology of caffeine: A review and case study, Toxicology Reports, Volume 5, 2018, Pages 1140-1152, ISSN 2214-7500, https://doi.org/10.1016/j.toxrep.2018.11.002. Summarized by Aaryn David | Edited by Aaryn David & Ahmed Abdel-Hafiz, NREMT-P Donate: https://emergencymedicalminute.org/donate/ Join our mailing list: http://eepurl.com/c9ouHf Golf Fundraiser: https://www.zeffy.com/en-US/ticketing/emergency-medical-minute-charity-golf--2026
- Sep 28, 20265 min
Podcast 1023: Torsades de pointes
Contributor: Aaron Lessen, MD Educational Pearls: Case review of a patient with recurrent episodes of syncope and shortness of breath, during which she is found to have intermittent runs of polymorphic ventricular tachycardia Torsades de pointes is polymorphic ventricular tachycardia occurring in the setting of a prolonged QT/QTc Risk of torsades increases substantially when QTc exceeds 500ms Causes: Common reversible causes include QT-prolonging medications, hypokalemia, hypomagnesemia, hypocalcemia, bradycardia, and structural heart disease Congenital causes of a prolonged QT interval are primarily inherited genetic mutations affecting cardiac myocyte ion channels leading to delayed ventricular repolarization Treatment: Stop any QT-prolonging medications and correct electrolytes IV magnesium to suppress recurrent torsades Increasing the heart rate with isoproterenol or temporary pacing can prevent the pauses that trigger recurrent episodes If the rhythm degenerates into ventricular fibrillation → defibrillate References Wigginton JG, Agarwal S, Bartos JA, Coute RA, Drennan IR, Haamid A, Kudenchuk PJ, Link MS, Panchal AR, Pelter MM, Del Rios M, Rodriguez AJ, Perman SM, Sanko S, Kotini-Shah P, Kurz MC. Part 9: Adult Advanced Life Support: 2025 American Heart Association Guidelines for Cardiopulmonary Resuscitation and Emergency Cardiovascular Care. Circulation. 2025 Oct 21;152(16_suppl_2):S538-S577. doi: 10.1161/CIR.0000000000001376. Epub 2025 Oct 22. PMID: 41122884. Summarized by Meg Joyce, MS3 | Edited by Meg Joyce & Ahmed Abdel-Hafiz, NREMT-P Donate: https://emergencymedicalminute.org/donate/ Golf Fundraiser: https://www.zeffy.com/en-US/ticketing/emergency-medical-minute-charity-golf--2026
- Sep 21, 20264 min
Podcast 1022: Emergent Dialysis
Contributor: Taylor Lynch, MD Educational Pearls: When a patient who missed dialysis presents to the emergency department, our clinical concern is who needs to be admitted to the hospital for emergent dialysis and who can wait for their next regularly scheduled session. Dialysis sessions typically occur on Monday, Wednesday, and Friday, or Tuesday, Thursday, and Saturday. Acronym for indications for emergent dialysis: AEIOU Acidosis Patients may have an underlying cause for acidosis such as sepsis or DKA. Treat the underlying cause, but if the acidosis is unable to be corrected, the patient needs dialysis. Electrolytes Most commonly elevated is potassium. In general, dialysis patients tend to have higher potassium levels, so don't just treat the number. Look for potassium greater than 6.5 or if EKG changes are present. Ingestion Intoxication with substances such as Lithium, Ethylene Glycol, Methanol, Salicylates. Overload Patients may present with evidence of fluid overload such as new oxygen requirement or pulmonary edema. If they are making urine, treat with diuretics, but if unresponsive to medical therapy, they will require dialysis. Uremia Build-up of nitrogenous waste products in the blood, which is indicated by an elevated BUN. Patients may develop complications such as altered mentation or pericardial effusions and subsequent cardiac tamponade. Keep in mind creatinine itself is not an indication for emergent dialysis. Serves as a surrogate marker of kidney function. Can be high or low depending on muscle mass or kidney filtration, and the patient may or may not need dialysis. References: Jentzer JC, Bihorac A, Brusca SB, et al. Contemporary Management of Severe Acute Kidney Injury and Refractory Cardiorenal Syndrome: JACC Council Perspectives. J Am Coll Cardiol. 2020;76(9):1084-1101. doi:10.1016/j.jacc.2020.06.070 Summarized by Ashley Lyons, OMS4 | Edited by Ashley Lyons & Ahmed Abdel-Hafiz, NREMT-P Donate: https://emergencymedicalminute.org/donate/ Join our mailing list: http://eepurl.com/c9ouHf
- Sep 14, 20264 min
Podcast 1021: Pulmonary Edema From Naloxone Administration
Contributor: Travis Barlock, MD Educational Pearls: What is pulmonary edema? Pulmonary edema is the accumulation of fluid initially in the interstitium of the lungs, that when severe enough can also accumulate in the alveolar air sacs. It develops when the rate of fluid filtration through the pulmonary vasculature out-paces the lymphatics ability to drain the fluid. There are 2 theories for what causes pulmonary edema in the setting of naloxone administration: catecholamine surge vs negative pressure/barotrauma Catecholamine Surge : Naloxone administration precipitates an acute opioid withdrawal in which epinephrine and norepinephrine surge causing marked vasoconstriction on both the heart and the lungs Negative Pressure/Barotrauma: This mechanism is not directly naloxone related but may be confounded by opioid effects. High dose synthetic opioids can induce sustained laryngospasm that is not mu-opioid mediated (thus not easily reversed by naloxone). With rapid awakening, respiratory muscles induce a negative pressure in the thoracic cavity against a closed glottis. This results in an alveolar barotrauma and a transudative pulmonary edema. What is the treatment for pulmonary edema secondary to opioid overdose reversal? Positive pressure ventilation is the mainstay treatment (CPAP/BiPAP) with oxygen supplementation. Importantly, diuretics are not recommended. The patient is not fluid overloaded like in the case of other pulmonary edemas, and diuresing the patient can worsen kidney injury which is already at an increased risk in opioid overdoses (rhabdomyolysis in particular). References: Saari TI, Strang J, Dale O. Clinical Pharmacokinetics and Pharmacodynamics of Naloxone. Clin Pharmacokinet. 2024;63(4):397-422. doi:10.1007/s40262-024-01355-6 DailyMed - NALOXONE HYDROCHLORIDE injection, solution. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=201fdedf-1736-4e52-9d7d-de14292547fd Boyer EW. Management of Opioid Analgesic Overdose. New England Journal of Medicine. 2012;367(2):146-155. doi:10.1056/NEJMra1202561 Dezfulian C, Orkin AM, Maron BA, et al. Opioid-Associated Out-of-Hospital Cardiac Arrest: Distinctive Clinical Features and Implications for Health Care and Public Responses: A Scientific Statement From the American Heart Association. Circulation. 2021;143(16):e836-e870. doi:10.1161/CIR.0000000000000958 Kienbaum P, Thurauf N, Michel M, Scherbaum N, Gastpar M, Peters J. Profound Increase in Epinephrine Concentration in Plasma and Cardiovascular Stimulation after [micro sign]-Opioid Receptor Blockade in Opioid-addicted Patients during Barbiturate-induced Anesthesia for Acute Detoxification Anesthesiology. 1998;88(5):1154-1161. doi:10.1097/00000542-199805000-00004 Summarized by Dan Orbidan, OMS3 | Edited by Dan Orbidan & Ahmed Abdel-Hafiz, NREMT-P Donate: https://emergencymedicalminute.org/donate/ Join our mailing list: http://eepurl.com/c9ouHf
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About 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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