USMLE Question of the Week

Pharmacology of the Treatment of Symptomatic Tachyarrhythmia USMLE

In Episode 4 of Med School Question of the Week for USMLE, Leigh Finnegan examines the following: A 27-year-old female presents to the emergency department with a complaint of chest palpitations and dizziness. Her past medical history is notable for generalized anxiety disorder, for which she takes sertraline daily. Her heart rate is noted to be 175 beats per minute and her blood pressure is 106/74 mmHg. Based on her EKG presentation, she is given an IV dose of a medication which is intended to quickly break her abnormal rhythm. A few seconds after the medication is given her EKG has changed. Watch this video to see if you know the mechanism of the medication that was most likely administered between her two EKGs.

Leigh Finnegan

Leigh received her B.A. from Georgetown University with a degree in English and mathematics, and received her Doctor of Medicine from the Perelman School of Medicine at the University of Pennsylvania in 2019. She enjoys cooking vegetarian food and running on the Schuylkill River Trail.

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