Atrial pacing every other beat: Is it pacemaker malfunction?

J Electrocardiol

The Section of Cardiology, The Department of Medicine, Baylor College of Medicine, Houston, TX, United States of America; Texas Heart Institute, Baylor St Luke Medical Center, Houston, TX, United States of America. Electronic address:

Published: June 2021

A 45 year old female with hypertrophic obstructive cardiomyopathy and a dual chamber ICD underwent left ventricular outflow and mid ventricular cavity myectomy and mitral valve replacement. On her 5th day after surgery, ECG shows electronic atrial pacing every other complex with monomorphic wide QRS rhythm. The explanation of this ECG pattern is discussed.

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Source
http://dx.doi.org/10.1016/j.jelectrocard.2019.04.013DOI Listing

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