McGill Case 53

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 52 | Next Case: McGill Case 54

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This is a rhythm strip recorded by telemetry on a 70 year old patent. The major time lines are 0.2 of a second. Note that the tachycardia is initiated with a premature ventricular beat with the retrograde P'wave sitting on the up sloping section of the T wave. There is a long P'R interval to the next QRS with is the beginning of the tachycardia at a rate of about 160/min. With this tachycardia the patient had chest pain and a blood pressure of 70mm systolic. A coronary angiogram found severe triple vessel coronary disease.