McGill Case 126

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 125 | Next Case: McGill Case 127

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This is a recording from a patient with a Medtronic model 7221cx implantable defibrillator which also functions as a VVI pacemaker.