ECG Basics and Fundamentals: the value of ignoring the ECG computer interpretation and looking closely at all 12 leads

ECG Weekly Workout with Dr. Amal Mattu


A 48-year-old female presents to the ED with palpitations and near-syncope. She reports multiple episodes of palpitations in the past that have not been evaluated. The following ECG is obtained:

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

    1. What is the heart rate and underlying rhythm?
    2. What is your differential for the intermittent wide QRS complexes seen?
    3. How would you manage this rhythm?