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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

02:10

Episode 965: Oxygen Administration in Trauma Patients

Emergency Medical Minute ·

2025/07/14

Contributor: Aaron Lessen, MD Educational Pearls: Many trauma patients are placed on oxygen via non-rebreather A large, multicenter, controlled trial evaluated the outcomes of oxygen administration in trauma patients Patients were randomized to two groups 1. 8-hour restrictive oxygen strategy: only receiving oxygen when the patient’s saturation dropped below 94% 2. 8-hour liberal oxygen strategy: 12-15 liters of oxygen per minute or fraction of inspired oxygen of 0.6-1.0 The study evaluated

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04:07

Episode 964: Ketamine & Midazolam for Prehospital...

Emergency Medical Minute ·

2025/07/07

Contributor: Aaron Lessen, MD Educational Pearls: Prehospital seizures are typically managed with intramuscular midazolam (Versed) Seizures theoretically involve the NMDA pathway, and ketamine is a potent NMDA antagonist A recent retrospective cohort study analyzed a Florida EMS protocol that uses ketamine in seizures refractory to midazolam One group received two doses of midazolam for seizure control The other group received a dose of midazolam followed by a dose of ketamine After matching,

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04:07

Episode 963: Antihypertensives and Emergency Room...

Emergency Medical Minute ·

2025/06/30

Contributor: Alec Coston, MD Educational Pearls: For patients presenting to the emergency room with hypertension, clinicians should determine if it is isolated and uncomplicated, or involves comorbidities with more complex underlying pathophysiology. For uncomplicated and isolated hypertension, first-line treatment is thiazide diuretics. How do thiazide diuretics work to treat hypertension? Thiazide diuretics work by blocking sodium and chloride resorption in the kidneys. “Where sodium goes,

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04:16

Episode 962: HEART Score

Emergency Medical Minute ·

2025/06/23

Contributor: Taylor Lynch, MD Educational Pearls: How do we risk-stratify chest-pain patients? One option is the HEART score This score predicts a patient’s 6-week risk of a major adverse cardiac event. Ex. Cath procedure, CABG, PCI, death H stands for History Ask 1) Was the patient diaphoretic? 2) Did they have nausea and/or vomiting? 3) Did the pain radiate down the right or left arm? 4) Was it exertional? Yes to one = one point. Two or more = two points. E stands for EKG One point for

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01:45

Episode 961: Cell Phone Sign

Emergency Medical Minute ·

2025/06/16

Contributor: Aaron Lessen, MD Educational Pearls: A prospective study at the Mayo Clinic Rochester was conducted to examine whether patients actively using their phones on initial assessment in the ED was associated with higher discharge rates The study included 292 patients, and only about 15% of patients were on their phone The patients on their phone tended to be a younger demographic Scribes were trained to record the data during their shifts The results did show that patients on their phone

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01:33

Episode 960: Frank's Sign - A Marker for Coronary...

Emergency Medical Minute ·

2025/06/09

Contributor: Travis Barlock MD Educational Pearls Frank’s sign is a curious physical exam finding first described in the literature in 1973 Bilateral earlobe creases are recognized as a marker of coronary artery disease and cerebrovascular disease Some studies have found an increase in all-cause mortality in patients with bilateral diagonal earlobe creases The pathophysiology is still not fully understood One 2020 study found histopathological changes associated with diagonal earlobe creases,

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06:05

Episode 959: The KLM Flight Disaster and Lessons in...

Emergency Medical Minute ·

2025/06/02

Contributor: Taylor Lynch, MD Educational Pearls: The KLM Flight Disaster, also known as the Tenerife Airport Disaster, occurred on 27 March 1977. It involved the collision of two Boeing 747 passenger jets from KLM and Pan Am Airlines, resulting in 583 fatalities. What fell through the cracks to cause this incident? The captain of the KLM flight believed he had received clearance from air traffic control to take off, when in fact he had not. This captain was one of the most senior pilots in the

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01:52

Episode 958: Intranasal Fentanyl

Emergency Medical Minute ·

2025/05/26

Contributor: Aaron Lessen, MD Educational Pearls: How do we take care of kids in severe pain? There are many non-pharmacologic options for pain (i.e. ice, elevation) as well as more conventional medication options (i.e. acetaminophen, NSAIDS) but in severe pain stronger medications might be indicated. These stronger medications include options such as IV morphine, a subdissociative dose of ketamine, as well as intranasal fentanyl. Intranasal fentanyl has many advantages: Studies have shown it

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03:21

Episode 957: Cardiac Asthma

Emergency Medical Minute ·

2025/05/19

Contributor: Travis Barlock, MD Educational Pearls: Wheezing is classically heard in asthma and COPD, but it can be the result of a wide range of processes that cause airflow limitation Narrowed bronchioles lead to turbulent airflow → creates the wheezing Crackles (rales) suggest pulmonary edema which is often due to heart failure Approximately 35% of heart failure patients have bronchial edema, which can also produce wheezing COPD and heart failure can coexist in a patient, and both of these

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02:53

Episode 956: Psychedelics and Risk of Schizophrenia

Emergency Medical Minute ·

2025/05/12

Contributor: Jorge Chalit-Hernandez, OMS3 Educational Pearls: Psychedelics are being studied for their therapeutic effects in mental illnesses, including major depressive disorder, post-traumatic stress disorder, anxiety, and many others Classic psychedelics include compounds like psilocybin, LSD, and ayahuasca MDMA and ketamine are often included in psychedelic research, but have a different mechanism of action than the others Their mechanism of action involves agonism of the 5HT2A receptor,

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04:16

Episode 955: Cardiac Effects of COVID-19

Emergency Medical Minute ·

2025/05/05

Contributor: Ricky Dhaliwal, MD Educational Pearls: What factors are considered in a COVID-19 infection? The viral load: Understood as the impact of SARS-CoV-2 viral particles infecting host cell tissue itself (utilizing ACE-2 receptors). Pro-Inflammatory Response: Post-infection, the body's downstream systemic cytokine release (can be both normal or hyperactive, aka “cytokine storm”). What cardiac impacts have been observed with COVID-19? Arrhythmias: The mechanism of COVID-19 infection and

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03:19

Episode 954: Combo Rescue Inhalers - New Guidelines

Emergency Medical Minute ·

2025/04/30

Contributor: Aaron Lessen, MD Educational Pearls: What is a Rescue Inhaler? A rescue inhaler is a medication for people with asthma to quickly reverse the symptoms of an asthma attack. Historically albuterol (Short Acting Beta Agonist (SABA)) monotherapy has been the mainstay rescue inhaler. This is because albuterol works fast and is relatively cheap. \n\n What are Combination Rescue Inhalers? Combination rescue inhalers contain a fast-acting bronchodilator as well as an inhaled

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02:42

Episode 953: Penicillin Allergies

Emergency Medical Minute ·

2025/04/21

Contributor: Geoff Hogan MD Educational Pearls: Penicillin allergies are relatively uncommon despite their frequent reports 10% of the population reports a penicillin allergy but only 5% of these cases are clinically significant 90-95% of patients may tolerate a rechallenge after appropriate allergy evaluation Penicillin Allergy Decision Rule (PEN-FAST) on MD Calc Useful tool to assess patients for penicillin allergies Five years or less since reaction = 2 points (even if unknown)

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03:08

Episode 952: Heart Transplants

Emergency Medical Minute ·

2025/04/14

Contributor: Travis Barlock, MD Educational Pearls: Key clinical considerations when managing heart transplant patients due to their unique pathophysiology 1. Arrhythmias A transplanted heart is denervated, meaning it lacks autonomic nervous system innervation The lack of vagal tone results in an increased resting heart rate Adenosine can be used since it primarily slows conduction through the AV node Atropine is ineffective in treating transplant bradyarrhythmia because its mechanism

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06:40

Episode 951: Pediatric Febrile Seizures

Emergency Medical Minute ·

2025/04/07

Contributor: Taylor Lynch, MD Educational Pearls: Pediatric febrile seizures are defined as seizures that occur between the ages of six months to five years in the presence of a fever greater than or equal to 38.0 ºC (100.4 ºF). It is the most common pediatric convulsive disorder, with an incidence between 2-5% What are the types of seizures? Simple: Tonic-clonic seizure, duration <15 minutes, only one occurrence in a 24-hour period, ABSENCE of focal features, ABSENCE of Todd’s paralysis

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02:37

Episode 950: Ultrasound Pulse Check During Cardiac...

Emergency Medical Minute ·

2025/03/31

Contributor: Aaron Lessen, MD Educational Pearls: Point-of-care ultrasound (POCUS) is used to assess cardiac activity during cardiac arrest and can identify potential reversible causes such as pericardial tamponade Ultrasound could be beneficial in another way during cardiac arrest as well: pulse checks Manual palpation for detecting pulses is imperfect, with false positives and negatives Doppler ultrasound can be used as an adjunct or replacement to manual palpation for improved accuracy

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01:58

Episode 949: Hoover's Sign

Emergency Medical Minute ·

2025/03/24

Contributor: Travis Barlock, MD Educational Pearls: What is Hoover’s sign used to identify? This physical exam maneuver differentiates between organic vs. functional (previously known as psychogenic) leg weakness. Organic causes include disease processes such as stroke, MS, spinal cord compression, guillain-barre, ALS, and sciatica, among others In Functional Neurologic Disorder, the dysfunction is in brain signaling, and treatment relies on more of a psychiatric approach How is Hoover's

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03:57

Episode 948: CYP Inducers and Inhibitors

Emergency Medical Minute ·

2025/03/17

Contributor: Jorge Chalit-Hernandez, OMS3 Educational Pearls: CYP enzymes are responsible for the metabolism of many medications, drugs, and other substances CYP3A4 is responsible for the majority Other common ones include CYP2D6 (antidepressants), CYP2E1 (alcohol), and CYP1A2 (cigarettes) CYP inducers lead to reduced concentrations of a particular medication CYP inhibitors effectively increase concentrations of certain medications in the body Examples of CYP inducers Phenobarbital

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03:57

Episode 947: Hypercapnia

Emergency Medical Minute ·

2025/03/10

Educational Pearls: Physiologic stimulation of ventilation occurs through changes in levels of: Arterial carbon dioxide (PaCO2) Arterial oxygen (PaO2) Hypercapnia is an elevated level of CO2 in the blood - this primarily drives ventilation Hypoxia is a decreased level of O2 in the body’s tissues - the backup drive for ventilation Patients at risk of hypercapnia should maintain an O2 saturation between 88-92% Normal O2 saturation is 95-100% In patients who chronically retain CO2,

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02:30

Episode 946: Time to Defibrillation

Emergency Medical Minute ·

2025/03/03

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

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