Rhythm Interpretation: the importance of patient assessment in managing malignant arrhythmias

ECG Weekly Workout with Dr. Amal Mattu


A 74-year-old woman presents to the ED with shortness of breath. She has been taking azithromycin for cough. The following ECG is obtained:

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

  1. What is the initial rate and rhythm?
  2. What are some potential causes for this rhythm?
  3. What is the best initial step in management?