McGill Case 176

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 175 | Next Case: McGill Case 177

The extra spikes that you see are from a myoplasty stimulator. This is a stimulator stimulating a muscle wrapped around the heart. It is stimulating the muscle every second beat. A train is used as this is a skelital muscle and not heart muscle.