Related Experiment Video
Updated: Dec 31, 2025

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
Published on: April 11, 2025
Left ventricular inhibition during cardiac resynchronization caused by sensed left-sided ventricular premature
S Serge Barold1, Andreas Kucher2
1Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, New York.
Abstract:
A recently published case documented left ventricular (LV) inhibition of a Boston Scientific device by a premature complex (VPC) that was undetected by the right ventricular channel. We have observed a similar response in two patients with a BIOTRONIK cardiac resynchronization device also designed with LV sensing. A spurious response simulating that of the two true cases was also observed in a third patient with a defective LV lead which created isolated false signals. The responses of the BIOTRONIK devices were identical to that of the previously reported findings with the Boston Scientific device. The observations provide insight into the timing function of cardiac resynchronization devices designed with LV sensing.
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