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.
The rhythm is supraventricular tachycardia with block. The atrial rate is about 200/min and there is 2:1 block. There is also ST depression in leads V3 to V6 suggestive of ischemia. The patient was having a non-q myocardial infarction.
