ECG Basics & Fundamentals: when does the QRS complex end and the ST segment begin in RBBB

ECG Weekly Workout with Dr. Amal Mattu


A 67-year-old woman with PMHx of Diabetes is brought in by ambulance for 2 hours of chest pain. At arrival she reports mild associated arm pain. The following ECG is obtained:

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

  1. What ECG abnormalities do you notice?
  2. Would you activate the cath lab?