ECG Basics and Fundamentals: a condition that is commonly misdiagnosed at polymorphic ventricular tachycardia (PMVT), torsades de pointes, and ventricular fibrillation

ECG Weekly Workout with Dr. Amal Mattu


A 55-year-old woman presents to the ED with mild to moderate COVID pneumonia. She reportedly had a syncopal episode while on a bed pan. The following rhythm strip was obtained around the time of the episode:

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

  1. What is the most likely underlying rhythm?
  2. The patient is found to be stable on reassessment, how would you manage this?