Rhythm Interpretation: grouped or clumped beats

ECG Weekly Workout with Dr. Amal Mattu


A 67-year-old male with PMHx of ESRD presents to the ED with fevers and bacteremia. The following ECG is obtained for mild tachycardia:

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

  1. What ECG abnormalities do you notice?
  2. What is the underlying rhythm?
  3. Is this rhythm an indication for any specific treatment?