Bradydysrhythmia: An irregular rhythm with grouped or clumped beats

UMEM Potpourri ECG Cases with Dr. Amal Mattu


 A 75-year-old woman presents to the emergency department with palpitations and near syncope. She is noted to be bradycardic with an irregular rhythm. The following ECG is obtained on arrival:

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

  1. What is the heart rate and rhythm?
  2. What is your differential for grouped or clumped beats?