Episode 921: Pediatric Hypoglycemia

Emergency Medical Minute

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Emergency Medicine

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The Menendez Brothers | Five-Year Plan | 1 43:56

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43:56

On August 20th, 1989, Lyle and Erik Menendez shot and killed their own parents. Until then, this Beverly Hills family had been a portrait of the American Dream. How did it go so wrong? To listen to all four episodes of 'The Menendez Brothers' right now and ad-free, go to IntoHistory.com . Subscribers enjoy uninterrupted listening, early releases, bonus content and more, only available at IntoHistory.com . If you or someone you know is in crisis, there is free help available at mhanational.org Learn more about your ad choices. Visit megaphone.fm/adchoices…

منذ عام واحد 4:32

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Contributor: Taylor Lynch, MD

Educational Pearls:

When it comes to hypoglycemia, the age dictates possible causes

Neonate:

Hormonal deficiency

Congenital Adrenal Hyperplasia (21-hydroxylase deficiency, 11β-hydroxylase deficiency)
Primary or Secondary Adrenal Insufficiency leading to cortisol deficiency
Hypopituitarism

Inborn errors of metabolism
Systemic infection (Under 30 days old should trigger a full infectious workup)

Toddler

Accidental ingestions

Sulfonylureas such as glipizide or glyburide

Older children

Addison’s Disease (Hypocortisolism)
Accidential or intentional ingestions
Exogenous insulin

How is it diagnosed?

Child or infant

Glucose

1098 حلقات

#Emergency Medicine #Science #Fitness #medicalminute #Emergency Medical Minute #Medicine #Emergency #Medical #Emergencymedicine #Podcasting Education #Health and Well-Being

Emergency Medical Minute

Episode 921: Pediatric Hypoglycemia

Emergency Medical Minute

563 subscribers

published منذ عام واحد

MP4•منزل الحلقة

Contributor: Taylor Lynch, MD

Educational Pearls:

When it comes to hypoglycemia, the age dictates possible causes

Neonate:

Hormonal deficiency

Congenital Adrenal Hyperplasia (21-hydroxylase deficiency, 11β-hydroxylase deficiency)
Primary or Secondary Adrenal Insufficiency leading to cortisol deficiency
Hypopituitarism

Inborn errors of metabolism
Systemic infection (Under 30 days old should trigger a full infectious workup)

Toddler

Accidental ingestions

Sulfonylureas such as glipizide or glyburide

Older children

Addison’s Disease (Hypocortisolism)
Accidential or intentional ingestions
Exogenous insulin

How is it diagnosed?

Child or infant

Glucose

1098 حلقات

#Emergency Medicine #Science #Fitness #medicalminute #Emergency Medical Minute #Medicine #Emergency #Medical #Emergencymedicine #Podcasting Education #Health and Well-Being

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Emergency Medical Minute

1
Episode 946: Time to Defibrillation 2:30

منذ 5 أيام2:30

2:30

Contributor: Aaron Lessen, MD Educational Pearls: Quick background info Cardiac arrest is when the heart stops pumping blood for any reason. This is different from a heart attack in which the heart is still working but the muscle itself is starting to die. One cause of cardiac arrest is when the electrical signals are very disrupted in the heart and start following chaotic patterns such as Ventricular tachycardia (VTach) and Ventricular fibrillation (VFib) One of the only ways to save a person whose heart is in VFib or VTach is to jolt the heart with electricity and terminate the dangerous arrhythmia. A recent study in the Netherlands looked at how important the time delay is from when cardiac arrest is first identified to when a defibrillation shock from an Automated External Defibrillator (AED) is actually given. Their main take-away: each minute defibrillation is delayed drops the survival rate by 6%! These findings reinforce the importance of rapid AED deployment and early defibrillation strategies in prehospital cardiac arrest response. References Stieglis, R., Verkaik, B. J., Tan, H. L., Koster, R. W., van Schuppen, H., & van der Werf, C. (2025). Association Between Delay to First Shock and Successful First-Shock Ventricular Fibrillation Termination in Patients With Witnessed Out-of-Hospital Cardiac Arrest. Circulation, 151(3), 235–244. https://doi.org/10.1161/CIRCULATIONAHA.124.069834 Summarized by Jeffrey Olson, MS3 | Edited by Meg Joyce, MS1 & Jorge Chalit, OMS3 Donate: https://emergencymedicalminute.org/donate/…

Emergency Medical Minute

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Episode 945: Ketorolac vs. Ibuprofen 3:30

منذ 12 يومًا3:30

3:30

Contributor: Ricky Dhaliwal, MD Educational Pearls: Ketorolac and ibuprofen are NSAIDs with equivalent efficacy for pain in the emergency department Oral ibuprofen provides the same relief as intramuscular ketorolac IM ketorolac is associated with the adverse effect of a painful injection IM ketorolac is slightly faster in onset but not significant Studies have assessed the two medications in head-to-head randomized-controlled trials and found no significant difference in pain scores IM ketorolac takes longer to administer and has a higher cost Ketorolac dosing Commonly given in 10 mg, 15 mg, and 30 mg doses However, higher doses are associated with more adverse effects Gastrointestinal upset, nausea, and bleeding risk Studies have demonstrated equal efficacy in pain reduction with lower doses References Motov S, Yasavolian M, Likourezos A, et al. Comparison of Intravenous Ketorolac at Three Single-Dose Regimens for Treating Acute Pain in the Emergency Department: A Randomized Controlled Trial. Ann Emerg Med. 2017;70(2):177-184. doi:10.1016/j.annemergmed.2016.10.014 Neighbor ML, Puntillo KA. Intramuscular ketorolac vs oral ibuprofen in emergency department patients with acute pain. Acad Emerg Med. 1998;5(2):118-122. doi:10.1111/j.1553-2712.1998.tb02595.x Summarized & Edited by Jorge Chalit, OMS3 Donate: https://emergencymedicalminute.org/donate/…

Emergency Medical Minute

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Episode 944: Colchicine Overdose 3:19

منذ 19 يومًا3:19

3:19

Contributor: Aaron Lessen, MD Educational Pearls: Colchicine is most commonly used for the prevention and treatment of gout There is research investigating the anti-inflammatory and cardioprotective effects of colchicine This drug has a narrow therapeutic index: a small margin between effective dose and toxic dose Colchicine overdoses can be unintentional or intentional and are associated with poor outcomes Phase 1: 10 - 24 hours after ingestion Patient looks well but may have mild symptoms mimicking gastroenteritis Phase 2: 24 hours - 7 days after ingestion Multiple organ dysfunction syndrome (MODS) Phase 3: recovery is usually within a few weeks of ingestion Treatment for colchicine overdose Treat early and aggressively Gastrointestinal decontamination with activated charcoal and orogastric lavage Dialysis and ECMO for MODS treatment References Finkelstein Y, Aks SE, Hutson JR, Juurlink DN, Nguyen P, Dubnov-Raz G, Pollak U, Koren G, Bentur Y. Colchicine poisoning: the dark side of an ancient drug. Clin Toxicol (Phila). 2010 Jun;48(5):407-14. doi: 10.3109/15563650.2010.495348. PMID: 20586571. Gasparyan AY, Ayvazyan L, Yessirkepov M, Kitas GD. Colchicine as an anti-inflammatory and cardioprotective agent. Expert Opin Drug Metab Toxicol. 2015;11(11):1781-94. doi: 10.1517/17425255.2015.1076391. Epub 2015 Aug 4. PMID: 26239119. Summarized by Meg Joyce, MS1 | Edited by Meg Joyce & Jorge Chalit, OMS3 Donate: https://emergencymedicalminute.org/donate/…

Emergency Medical Minute

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Episode 943: Portal Vein Thrombosis 2:42

منذ 26 يومًا2:42

2:42

Contributor: Travis Barlock, MD Educational Pearls: What is Portal Vein Thrombosis? The formation of a blood clot within the portal vein, which carries blood from the gastrointestinal tract, pancreas, and spleen to the liver Not only can this cause problems downstream in the liver, but the backup of venous blood can cause ischemia in the bowels How does it present? Similar to acute mesenteric ischemia: Sudden onset of abdominal pain, nausea, vomiting, and fever How is it diagnosed? Abdominal CT or MRI with contrast What causes it? Cirrhosis Coagulopathy (Factor V Leiden mutation, Prothrombin gene mutation, Antiphospholipid syndrome, Protein C, protein S, antithrombin III deficiency, etc.) Oral Contraceptive Pills (OCPs) Cancer such as hepatocellular carcinoma How is it treated? Aggressive fluid resuscitation Antibiotics. Be sure to cover enteric gram-negative bacteria and anaerobes Heparin, same dosing as a bolus for a DVT Endovascular treatment, such as a thrombectomy with IR Surgical evaluation if there has been tissue death in the mesentery References Hilscher, M. B., Wysokinski, W. E., Andrews, J. C., Simonetto, D. A., Law, R. J., & Kamath, P. S. (2024). Portal Vein Thrombosis in the Setting of Cirrhosis: Evaluation and Management Strategies. Gastroenterology, 167(4), 664–672. https://doi.org/10.1053/j.gastro.2024.05.017 Intagliata, N. M., Caldwell, S. H., & Tripodi, A. (2019). Diagnosis, Development, and Treatment of Portal Vein Thrombosis in Patients With and Without Cirrhosis. Gastroenterology, 156(6), 1582–1599.e1. https://doi.org/10.1053/j.gastro.2019.01.265 Ju, C., Li, X., Gadani, S., Kapoor, B., & Partovi, S. (2022). Portal Vein Thrombosis: Diagnosis and Endovascular Management. Pfortaderthrombose: Diagnose und endovaskuläres Management. RoFo : Fortschritte auf dem Gebiete der Rontgenstrahlen und der Nuklearmedizin, 194(2), 169–180. https://doi.org/10.1055/a-1642-0990 Summarized by Jeffrey Olson MS3 | Edited by Jorge Chalit, OMS3 Donate: https://emergencymedicalminute.org/donate/…

Emergency Medical Minute

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Episode 942: Acute Mountain Sickness and High Altitude Cerebral Edema 3:41

منذ 5 weeks3:41

3:41

Contributor: Jorge Chalit-Hernandez, OMS3 Educational Pearls: Acute mountain sickness (AMS) is the term given to what is otherwise colloquially known as altitude sickness High altitude cerebral edema (HACE) is a severe form of AMS marked by encephalopathic changes Symptoms begin at elevations as low as 6500 feet above sea level for people who ascend rapidly May develop more severe symptoms at higher altitudes The pathophysiology involves cerebral vasodilation Occurs in everyone ascending to high altitudes but is more pronounces in those that develop symptoms The reduced partial pressure of oxygen induces hypoxic vasodilation in the brain, which results in edema and, ultimately, HACE in some patients Symptomatic presentation Headache, nausea, and sleeping difficulties occur within 2-24 hours of arrival at altitude HACE may occur between 12-72 hours after AMS and presents with ataxia, confusion, irritability, and ultimately results in coma if left untreated Clinical presentation may be mistaken for simple exhaustion, so clinicians should maintain a high index of suspicion Notably, if symptoms occur more than 2 days after arrival at altitude, clinicians should seek an alternative diagnosis but maintain AMS/HACE on the differential Treatment and management AMS Adjunctive oxygen and descent to lower altitude Acetazolamide is used as a preventive measure but is not helpful in acute treatment +/- dexamethasone HACE Patients with HACE should receive dexamethasone to help reduce cerebral edema Immediate descent to a lower altitude References Burtscher M, Wille M, Menz V, Faulhaber M, Gatterer H. Symptom progression in acute mountain sickness during a 12-hour exposure to normobaric hypoxia equivalent to 4500 m. High Alt Med Biol. 2014;15(4):446-451. doi:10.1089/ham.2014.1039 Levine BD, Yoshimura K, Kobayashi T, Fukushima M, Shibamoto T, Ueda G. Dexamethasone in the treatment of acute mountain sickness. N Engl J Med. 1989;321(25):1707-1713. doi:10.1056/NEJM198912213212504 Luks AM, Beidleman BA, Freer L, et al. Wilderness Medical Society Clinical Practice Guidelines for the Prevention, Diagnosis, and Treatment of Acute Altitude Illness: 2024 Update. Wilderness Environ Med. 2024;35(1_suppl):2S-19S. doi:10.1016/j.wem.2023.05.013 Summarized & Edited by Jorge Chalit, OMS3 Donate: https://emergencymedicalminute.org/donate/…

Emergency Medical Minute

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Episode 941: Rehydration in Pediatric Gastroenteritis 3:54

منذ 6 weeks3:54

3:54

Contributor: Meghan Hurley, MD Educational Pearls: Gastroenteritis clinical diagnoses: Diarrhea with or without vomiting and fever Vomiting in the absence of diarrhea has a large list of differential diagnoses, so the combination of diarrhea and vomiting in a patient is helpful to indicate the gastroenteritis diagnosis Symptom timeline is usually 1-3 days, but can last up to 14 days – diarrhea persists the longest Treatment for mild to moderate dehydration: oral or IV rehydration Begin orally to avoid unnecessary IV in a pediatric patient Administer ODT Ondansetron (Zofran) to prevent vomiting Meta-analysis showed that 2-8 mg orally, based on body weight, decreased vomiting quickly Wait 15-20 minutes for the medication to take effect Use streamlined method for oral rehydration: Fluids such as over-the-counter Pedialyte, Infalyte, Rehydrate, Resol, and Naturalyte may be used If patient weighs less than 10kg: administer 5mL of fluid per minute for 20 minutes If patient weighs 10kg or more: administer 10mL of fluid for 20 minutes If the patient can keep the fluid down, double the fluid volume and repeat If the patient once again keeps the fluid down, double the fluid volume and repeat If successful with each attempt, the patient may be discharged home Can prescribe ODT Zofran for 1-2 days at home If the patient vomits more than once during this oral rehydration process, intravenous rehydration must be initiated References Churgay CA, Aftab Z. Gastroenteritis in children: Part II. Prevention and management. Am Fam Physician. 2012 Jun 1;85(11):1066-70. PMID: 22962878. Summarized by Meg Joyce, MS1 | Edited by Meg Joyce & Jorge Chalit, OMS3 Donate: https://emergencymedicalminute.org/donate/…

Emergency Medical Minute

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Episode 940: Laceration Repair Methods 2:05

منذ 7 weeks2:05

2:05

Contributor: Aaron Lessen, MD Educational Pearls: If a patient sustains a cut, the provider has several options on how to close the wound. If they choose to suture the wound closed, it involves needles both in the form of injecting numbing medication (lidocaine) as well as with the suture itself. Other techniques are “needleless,” like closing the wound with adhesive strips (Steri-Strips) or skin adhesive (Dermabond). But which method is best? A recent study looked to compare guardian-perceived cosmetic outcomes of pediatric lacerations repaired with absorbable sutures, Dermabond, and Steri-Strips. It also assessed pain and satisfaction with the procedure from both guardian and provider perspectives. Participants: 55 patients were enrolled; 30 completed the 3-month follow-up. Cosmetic Ratings (Median and IQR): Sutures: 70.5 (59.8–76.8) Dermabond: 85 (73–90) Steri-Strips: 67 (55–78) (P = 0.254, no statistically significant difference) Satisfaction and Pain: No significant differences in guardian or provider satisfaction Pain levels were comparable across all methods Even though there was no statistically significant difference in guardian-perceived cosmetic outcomes, the Dermabond did have the highest ratings at the end of the study. References Barton, M. S., Chaumet, M. S. G., Hayes, J., Hennessy, C., Lindsell, C., Wormer, B. A., Kassis, S. A., Ciener, D., & Hanson, H. (2024). A Randomized Controlled Comparison of Guardian-Perceived Cosmetic Outcome of Simple Lacerations Repaired With Either Dermabond, Steri-Strips, or Absorbable Sutures. Pediatric emergency care, 40(10), 700–704. https://doi.org/10.1097/PEC.0000000000003244 Summarized by Jeffrey Olson MS3 | Edited by Meg Joyce, MS1 & Jorge Chalit, OMS3 Donate: https://emergencymedicalminute.org/donate/…

Emergency Medical Minute

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Episode 939: Serotonin Syndrome 3:42

منذ 8 weeks3:42

3:42

Contributor: Jorge Chalit-Hernandez, OMS3 Educational Pearls: Serotonin syndrome occurs most commonly due to the combination of monoamine oxidase inhibition with concomitant serotonergic medications like SSRIs Examples of unexpected monoamine oxidase inhibitors Linezolid - a last-line antibiotic reserved for patients with true anaphylaxis to penicillins and cephalosporins Methylene blue - not mentioned in the podcast due to its uncommon usage for methemoglobinemia Other medications that can interact with SSRIs to cause serotonin syndrome Dextromethorphan - primarily an anti-tussive at sigma opioid receptors that also has serotonin reuptake inhibition Clinical presentation of serotonin syndrome Altered mental status Autonomic dysregulation leading to hypertension (most common), hypotension, and tachycardia Hyperthermia Neuromuscular hyperactivity - tremors, myoclonus, and hyperreflexia Hunter Criteria (high sensitivity and specificity for serotonin syndrome): Spontaneous clonus Inducible clonus + agitation or diaphoresis Ocular clonus + agitation or diaphoresis Tremor + hyperreflexia Hypertonia, temperature > 38º C, and ocular or inducible clonus Management of serotonin syndrome Primarily supportive - benzodiazepines can help treat hypertension, agitation, and hyperthermia. Patients often require repeated and higher dosing of benzodiazepines Avoid antipyretics to treat hyperthermia since the elevated temperature is due to sustained muscle contraction and not central temperature dysregulation In refractory patients, cyproheptadine (a 5HT2 antagonist) may be used as a second-line treatment Patients with temperatures > 41.1º C or 106º F require medically induced paralysis and intubation to control their temperature References Boyer EW, Shannon M. The serotonin syndrome [published correction appears in N Engl J Med. 2007 Jun 7;356(23):2437] [published correction appears in N Engl J Med. 2009 Oct 22;361(17):1714]. N Engl J Med. 2005;352(11):1112-1120. doi:10.1056/NEJMra041867 Dunkley EJ, Isbister GK, Sibbritt D, Dawson AH, Whyte IM. The Hunter Serotonin Toxicity Criteria: simple and accurate diagnostic decision rules for serotonin toxicity. QJM. 2003;96(9):635-642. doi:10.1093/qjmed/hcg109 Ramsay RR, Dunford C, Gillman PK. Methylene blue and serotonin toxicity: inhibition of monoamine oxidase A (MAO A) confirms a theoretical prediction. Br J Pharmacol. 2007;152(6):946-951. doi:10.1038/sj.bjp.0707430 Schwartz AR, Pizon AF, Brooks DE. Dextromethorphan-induced serotonin syndrome. Clin Toxicol (Phila). 2008;46(8):771-773. doi:10.1080/15563650701668625 Thomas CR, Rosenberg M, Blythe V, Meyer WJ 3rd. Serotonin syndrome and linezolid. J Am Acad Child Adolesc Psychiatry. 2004;43(7):790. doi:10.1097/01.chi.0000128830.13997.aa Summarized & Edited by Jorge Chalit, OMS3 Donate: https://emergencymedicalminute.org/donate/…

Emergency Medical Minute

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Episode 938: AHA Policy on Management of Elevated Blood Pressure (BP) in the Acute Care Setting 2:19

منذ 9 weeks2:19

2:19

Contributor: Aaron Lessen, MD Educational Pearls: Many patients present to the ED with elevated BP Many are referred from outpatient surgery centers or present after an elevated measurement at home Persistent questions on the best way to treat these patients The AHA published a scientific statement on the management of elevated BP in the acute care setting Hypertensive emergencies: SBP/DBP >180/110–120 mm Hg with evidence of new or worsening target-organ damage Includes aortic dissection or subarachnoid hemorrhage Require aggressive treatment Asymptomatic markedly elevated inpatient BP: SBP/DBP >180/110–120 mm Hg without evidence of new or worsening target-organ damage AND asymptomatic elevated inpatient BP: SBP/DBP ≥130/80 mm Hg without evidence of new or worsening target-organ damage No benefits to urgent treatment in the ED, but there are harms to treating patients in this manner These patients do not require IV medications Provide reassurance and instructions on following up with their PCP to manage their BP in the outpatient setting Removed the term “hypertensive urgency” References Bress AP, Anderson TS, Flack JM, et al. The Management of Elevated Blood Pressure in the Acute Care Setting: A Scientific Statement From the American Heart Association. Hypertension. 2024;81(8). doi:https://doi.org/10.1161/hyp.0000000000000238 Summarized by Meg Joyce, MS1 | Edited by Meg Joyce & Jorge Chalit, OMS3 Donate: https://emergencymedicalminute.org/donate/…

Emergency Medical Minute

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Episode 937: Pneumomediastinum 5:39

منذ 10 weeks5:39

5:39

Contributor: Megan Hurley MD Educational Pearls: What is the mediastinum? The thoracic cavity is separated into different compartments by membranes The lungs exist in their own pleural cavities, and the mediastinum is everything in between The mediastinum extends from the sternum to the thoracic vertebrae and includes the heart, the aorta, the trachea, the esophagus, the thymus, as well as many lymph nodes and nerves. What is a pneumomediastinum? Air in the mediastinum How can pneumomediastinum be categorized? Traumatic Ex. Stab wound to the trachea Ex. Boerhaave’s Syndrome of the esophagus, possibly from an endoscopic procedure. This mechanism in particular is a higher risk of infection because not only air but food can accumulate in the mediastinum Ex. Intubation with a bougie These will likely need surgical repair Nontraumatic Ex. Forceful inhalation causing microperforations in the trachea. Possibly while inhaling something like drugs Ex. Bad asthma for similar reasons Ex. Gas forming bacteria What happens if you use positive pressure ventilation on a patient with a hole in their trachea? The positive pressure will force extra air into the mediastinum The air will move between the layers of subcutaneous tissue and can track up into the neck and face regions recognized as crepitus on exam This can also cause a tension pneumomediastinum in which the air pressure in the compartment constricts the heart, impeding its ability to fill during diastole These patients can undergo bronchoscopy because that procedure does not require positive pressure and will not worsen the condition. Endoscopies do require positive pressure so endoscopies are not an option How is a tension pneumomediastinum treated? By inserting a needle into the space from below the xiphoid process to allow the air to escape, similar to a pericardiocentesis As a temporizing measure, if the hole is high enough in the trachea, the intubation can be continued by deliberately pushing the endotracheal tube into the right main bronchus, creating a seal, and only ventilating the right lung while the patient heads to surgery. This is called right-mainstemming. References Clancy DJ, Lane AS, Flynn PW, Seppelt IM. Tension pneumomediastinum: A literal form of chest tightness. J Intensive Care Soc. 2017 Feb;18(1):52-56. doi: 10.1177/1751143716662665. Epub 2016 Aug 3. PMID: 28979537; PMCID: PMC5606356. Grewal, J., & Gillaspie, E. A. (2024). Pneumomediastinum. Thoracic surgery clinics, 34(4), 309–319. https://doi.org/10.1016/j.thorsurg.2024.06.001 Underner, M., Perriot, J., & Peiffer, G. (2017). Pneumomédiastin et consommation de cocaïne [Pneumomediastinum and cocaine use]. Presse medicale (Paris, France : 1983), 46(3), 249–262. https://doi.org/10.1016/j.lpm.2017.01.002 Summarized by Jeffrey Olson, MS3 | Edited by Meg Joyce & Jorge Chalit, OMS3 Donate: https://emergencymedicalminute.org/donate/…

Emergency Medical Minute

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Episode 936: Etomidate vs. Ketamine for Rapid Sequence Intubation 4:58

منذ 11 weeks4:58

4:58

Contributor: Ricky Dhaliwal MD Educational Pearls: Etomidate was previously the drug of choice for rapid sequence intubation (RSI) However, it carries a risk of adrenal insufficiency as an adverse effect through inhibition of mitochondrial 11-β-hydroxylase activity A recent meta-analysis analyzing etomidate as an induction agent showed the following: 11 randomized-controlled trials with 2704 patients Number needed to harm is 31; i.e. for every 31 patients that receive etomidate for induction, there is one death The probability of any mortality increase was 98.1% Ketamine is preferable due to a better adverse effect profile Laryngeal spasms and bronchorrhea are the most common adverse effects after IV push Beneficial effects on hemodynamics via catecholamine surge, albeit not as pronounced in shock patients 2023 meta-analysis compared ketamine and etomidate for RSI Ketamine’s probability of reducing mortality is cited as 83.2% Overall, induction with ketamine demonstrates a reduced risk of mortality compared with etomidate The dosage of each medication for induction Etomidate: 20 mg based on 0.3 mg/kg for a 70 kg adult Ketamine: 1-2 mg/kg (or 0.5-1 mg/kg in patients with shock) Patients with asthma and/or COPD also benefit from ketamine induction due to putative bronchodilatory properties References Goyal S, Agrawal A. Ketamine in status asthmaticus: A review. Indian J Crit Care Med. 2013;17(3):154-161. doi:10.4103/0972-5229.117048 Koroki T, Kotani Y, Yaguchi T, et al. Ketamine versus etomidate as an induction agent for tracheal intubation in critically ill adults: a Bayesian meta-analysis. Crit Care. 2024;28(1):1-9. doi:10.1186/s13054-024-04831-4 Kotani Y, Piersanti G, Maiucci G, et al. Etomidate as an induction agent for endotracheal intubation in critically ill patients: A meta-analysis of randomized trials. J Crit Care. 2023;77(April 2023):154317. doi:10.1016/j.jcrc.2023.154317 Summarized & Edited by Jorge Chalit, OMS3 Donate: https://emergencymedicalminute.org/donate/…

Emergency Medical Minute

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Episode 935: Pregnancy Extremis - TOLDD 3:26

منذ 12 weeks3:26

3:26

Contributor: Aaron Lessen MD Educational Pearls: Pregnant patients at high risk of cardiac arrest, in cardiac arrest, or in extremis require special care A useful mnemonic to recall the appropriate management of critically ill pregnant patients is TOLDD T: Tilt the patient to the left lateral decubitus position This position relieves pressure exerted from the uterus onto the inferior vena cava, which reduces cardiac preload If the patient is receiving CPR, an assistant should displace the uterus manually from the IVC towards the patient’s left side O: Administer high-flow adjunctive oxygen L: Lines should be placed above the diaphragm Lines below the diaphragm are ineffective due to uterine compression of the IVC May consider humeral interosseous line vs. internal jugular or subclavian central line D: Dates should be estimated > 20 weeks, can consider a resuscitative hysterotomy (previously known as perimortem c-section) to improve chances of survival The uterus is palpable at the umbilicus at 20 weeks and 1 cm superior to the umbilicus for every week thereafter D: Call the labor and delivery unit for additional help References ACOG Practice Bulletin No. 211 Summary: Critical Care in Pregnancy. Obstetrics & Gynecology. 2019;133(5) Fujita N, Higuchi H, Sakuma S, Takagi S, Latif MAHM, Ozaki M. Effect of Right-Lateral Versus Left-Lateral Tilt Position on Compression of the Inferior Vena Cava in Pregnant Women Determined by Magnetic Resonance Imaging. Anesth Analg. 2019;128(6):1217-1222. doi:10.1213/ANE.0000000000004166 Jeejeebhoy FM, Zelop CM, Lipman S, et al. Cardiac Arrest in Pregnancy. Circulation. 2015;132(18):1747-1773. doi:doi:10.1161/CIR.0000000000000300 Singh, Ajay; Dhir, Ankita; Jain, Kajal; Trikha, Anjan1. Role of High Flow Nasal Cannula (HFNC) for Pre-Oxygenation Among Pregnant Patients: Current Evidence and Review of Literature. Journal of Obstetric Anaesthesia and Critical Care 12(2):p 99-104, Jul–Dec 2022. | DOI: 10.4103/JOACC.JOACC_18_22 Summarized & Edited by Jorge Chalit, OMS3 Donate: https://emergencymedicalminute.org/donate/…

Emergency Medical Minute

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Episode 934: Subendocardial Ischemia 3:09

منذ 13 weeks3:09

3:09

Contributor: Travis Barlock MD Educational Pearls: What is the ST segment? The ST segment on an ECG represents the interval between the end of ventricular depolarization (QRS) and the beginning of ventricular repolarization (T-wave). It should appear isoelectric (flat) in a normal ECG. What if the ST segment is elevated? This is evidence that there is an injury that goes all the way through the muscular wall of the heart (transmural) This is very concerning for a heart attack (STEMI) but can be occasionally caused by other pathology, such as pericarditis What if the ST segment is depressed? This is evidence that only the innermost part of the muscular wall of the heart is becoming ischemic This has a much broader differential and includes a partial occlusion of a coronary artery but also any other stress on the body that could cause a supply-and-demand mismatch between the oxygen the coronaries can deliver and the oxygen the heart needs This is called subendocardial ischemia What else should you look for in the ECG to identify subendocardial ischemia? The ST-depressions should be at least 1 mm The ST depressions should be present in leads I, II, V4-6 and a variable number of additional leads. There is often reciprocal ST elevation in aVR > 1 mm The most important thing to remember when you see subendocardial ischemia is…history Still, keep all cardiac causes on your differential, such as unstable angina, stable angina, Prinzmetal angina, etc. Also consider a wide array of non-cardiac causes such as severe anemia, severe hypertension, pulmonary embolism, COPD, severe pneumonia, sepsis, shock, thyrotoxicosis, stimulant use, DKA, or any other state that lead to reduced oxygen supply to the subendocardium and/or increased myocardial oxygen demand. References Birnbaum, Y., Wilson, J. M., Fiol, M., de Luna, A. B., Eskola, M., & Nikus, K. (2014). ECG diagnosis and classification of acute coronary syndromes. Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc, 19(1), 4–14. https://doi.org/10.1111/anec.12130 Buttà, C., Zappia, L., Laterra, G., & Roberto, M. (2020). Diagnostic and prognostic role of electrocardiogram in acute myocarditis: A comprehensive review. Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc, 25(3), e12726. https://doi.org/10.1111/anec.12726 Cadogan, E. B. a. M. (2024, October 8). Myocardial Ischaemia. Life in the Fast Lane • LITFL. Retrieved December 7, 2024, from https://litfl.com/myocardial-ischaemia-ecg-library/#:~:text=ST%20depression%20due%20to%20subendocardial,left%20main%20coronary%20artery%20occlusion . Summarized by Jeffrey Olson, MS3 | Edited by Meg Joyce & Jorge Chalit, OMS3 Donate: https://emergencymedicalminute.org/donate/…

Emergency Medical Minute

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Episode 933: Benign Convulsions with Gastroenteritis 3:29

منذ 14 weeks3:29

3:29

Contributor: Alec Coston MD Educational Pearls: Causes of seizures in a fairly well-appearing child with diarrhea: Electrolyte abnormalities: hypocalcemia, hyponatremia Also hyperkalemia which causes arrhythmias and syncope - can appear like seizures Hypoglycemia If the child has diarrhea and appears very sick, differential diagnosis may include: Hemolytic uremic syndrome (HUS): simultaneous occurrence of microangiopathic hemolytic anemia, thrombocytopenia, and acute kidney injury Typically caused by Shiga-like toxin producing Escherichia coli (also known as EHEC, or enterohemorragic E. coli) One of the main causes of acute kidney injury in children Toxic ingestions such as salicylates, lead, or iron In this case, the child had a seizure but appeared well and was afebrile: Consult with neurology led to a diagnosis of benign convulsions with mild gastroenteritis (CwG) First identified in 1982 in Japan Viral gastroenteritis with diarrhea and convulsions but does not include fever, severe dehydration, or electrolyte abnormalities Uncommon illness caused by rotavirus and norovirus pathogens Criteria for discharge is similar to a febrile seizure - the patient had one seizure that lasted less than 15 minutes and he quickly returned to his baseline, so he was able to be safely discharged home This diagnosis does not predispose him to epilepsy later in life References Lee YS, Lee GH, Kwon YS. Update on benign convulsions with mild gastroenteritis. Clin Exp Pediatr. 2022 Oct;65(10):469-475. doi: 10.3345/cep.2021.00997. Epub 2021 Dec 27. PMID: 34961297; PMCID: PMC9561189. Mauritz M, Hirsch LJ, Camfield P, et al. Acute symptomatic seizures: an educational, evidence-based review. Epileptic Disorders. 2200;1(1). doi:https://doi.org/10.1684/epd.2021.1376 ‌Noris, Marina*; Remuzzi, Giuseppe*, †. Hemolytic Uremic Syndrome. Journal of the American Society of Nephrology 16(4):p 1035-1050, April 2005. | DOI: 10.1681/ASN.2004100861 Summarized by Meg Joyce, MS1 | Edited by Meg Joyce & Jorge Chalit, OMS3 Donate: https://emergencymedicalminute.org/donate/…

Emergency Medical Minute

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Episode 932: Induction Agent Hypotension 2:32

منذ 15 weeks2:32

2:32

Contributor: Aaron Lessen MD Educational Pearls: Induction agent selection during rapid sequence intubation involves accounting for hemodynamic stability in the post-intubation setting Many emergency departments use ketamine or etomidate A recent study sought to explore the rates of post-induction hypotension of ketamine compared with propofol Single center retrospective cohort study of patients between 2018-2021 Ketamine and propofol were both significantly associated with post-induction hypotension Ketamine adjusted odds ratio = 4.50 Propofol adjusted odds ratio = 4.88 50% of patients became hypotensive after induction with either propofol or ketamine These findings suggest post-induction hypotension is mainly due to sympatholysis rather than the choice of agent itself References Tamsett Z, Douglas N, King C, et al. Does the choice of induction agent in rapid sequence intubation in the emergency department influence the incidence of post-induction hypotension?. Emerg Med Australas. 2024;36(3):340-347. doi:10.1111/1742-6723.14355 Summarized & Edited by Jorge Chalit, OMS3 Donate: https://emergencymedicalminute.org/donate/…

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