Potpourri of cases: differential diagnoses for long QTc intervals, diagnosing occlusion MI in LBBB and paced rhythms, and so much more!

ECG Weekly Workout with Dr. Amal Mattu


A 48-year-old woman is brought into the emergency department with fever and altered mental status. The following ECG is obtained on arrival:

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

  1. How would you interpret this ECG?
  2. What is the most likely cause of the markedly prolonged QT interval and T wave inversions?