McGill Case 312

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 311 | Next Case: McGill Case 313

A 70 year old man with exercise intolerance. Complete Heart Block P waves are not conducted to the ventricles because of block at the AV node. The P waves are indicated below and show no relation to the QRS complexes. They 'probe' every part of the ventricular cycle but are never conducted. The ventricles are depolarized by a ventricular escape rhythm. with permision from the site of Dr. Dean Jenkins