McGill Case 165

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 164 | Next Case: McGill Case 166

This is a tracing form the pacemaker clinic. The patient has a VVI Medtronic pacemaker which was probably set at 70/min. A magnet is placed over the pacemaker and results in a magnet response of 4 beats at 90/min and then paced rhythm at about 63/min.