Narrow complex irregular rhythms

Weekly Workout July 10, 2022
Differential Diagnoses: AV blocks, tachyarrhythmias, and what you need to look for on the ECG of every patient with syncope

A 36-year-old woman is brought into the emergency department after an episode of syncope. She reports palpitations prior to the episode but is otherwise asymptomatic on arrival. Vital signs are…

Weekly Workout July 3, 2022
Differential Diagnoses: narrow complex irregular tachycardia, short QTc intervals, ST segment elevation in aVR, and so much more!

An 89-year-old woman is brought into the emergency department with generalized weakness and dizziness. She is noted to be bradycardic at triage. The following ECG is obtained with no prior…

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