Stepwise approach to ECG interpretation: systematic rhythm interpretation in a case of syncope

ECG Weekly Workout with Dr. Amal Mattu


A 76-year-old male presents to the emergency department after an episode of syncope. He denies a prodrome and has no focal neurological complaints or findings. The following ECG was obtained:

Before watching this week’s video, ask yourself these questions:

  1. What ECG abnormalities do you notice?
  2. What is the rhythm?
  3. What is the most likely cause of syncope?