Differential DIagnoses: AV blocks, prolonged QTc intervals, T wave inversions, and more!

UMEM Potpourri ECG Cases with Dr. Amal Mattu

HPI

A 50-year-old woman is brought into the emergency department unresponsive. History is otherwise limited. The following ECG is obtained with no prior ECGs available for comparison:

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

    1. What ECG abnormalities do you notice?
    2. What is your differential for prolonged QT intervals?
    3. What is the most likely cause of the ECG abnormalities seen?