ECG cases to help you save lives and also crush your board exams

Emergency Medicine Board Review: Must Know ECGs with Dr. Amal Mattu


A 45-year-old woman is being observed in the emergency department after treatment with thrombolytics for MI. She is noted to be tachycardic one hour after treatment with a change in rhythm. She reports feeling improved and is currently asymptomatic. The following ECG is obtained:

Before watching the video, look closely at this ECG and ask yourself:

  1. What is the rhythm?
  2. What is the next best step in management of this rhythm abnormality?