ECG Basics & Fundamentals: normal and expected findings in right bundle branch block (RBBB) vs patients with occlusion MI

ECG Weekly Workout with Dr. Amal Mattu


A 61-year-old male with PMHx of atrial fibrillation on anticoagulation presents to the ED with chest pain for 1 day after eating beef stew. He is concerned about having bad heartburn. The following ECG is obtained:

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

  1. What ECG abnormalities do you notice?
  2. What ST-segment abnormalities are expected and normal in patients with RBBB?
  3. What is the diagnosis?