Amal Mattu’s ECG Case of the Week – March 23, 2020

HPI:  A 45-year-old man with a history of severe cardiomyopathy presents with palpitations. The following ECG is obtained:

Case ECG


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

  1. What is your differential for this narrow complex regular tachycardia?
  2. What is the rhythm?
  3. What supplemental leads can help you more accurately diagnose this rhythm?



Key Teaching Points


CME Questions





Notes: Questions for Amal? Email him at or find him on Twitter @amalmattu.

Kudos: Big thanks to Dr. Dominic Williams, Erik Witt, & Bill Brady for sharing their cases this week!

Cases by Month

Be the best at electrocardiography!

Master ECG interpretation from our nationally-known educators

Get a full year access for only $26!