McGill Case 53

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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.


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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.