McGill Case 89

This case report is kindly provided by Michael Rosengarten from McGill and is part of the McGill Cases. These cases come from the McGill EKG World Encyclopedia. Previous Case: McGill Case 88 | Next Case: McGill Case 90

70 year old patient, previous myocardial infarction, on a beta-blocker, presents with the rhythm below. No response to adenosine or to verapamil IV.

After cardioversion.