STAT ECG Diagnoses: isorhythmic AV dissociation and complete heart block

ECG Weekly Workout with Dr. Amal Mattu


A 43-year-old man with a history of demand pacemaker placement gets the following routine ECG during outpatient follow up with his primary care provider:

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

  1. What is the rate & rhythm?
  2. What is your full ECG interpretation?