McGill Case 81

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 80 | Next Case: McGill Case 82

This EKG shows sinus rhythm with interpolated ventricular premature complexes. Wide complex beats interpolated between sinus complexes suggests strongly that they are ventricular in origin.