3 years ago

Variation in activation time during bipolar vs extended bipolar left ventricular pacing

Christopher A. Rinaldi, Benjamin J. Sieniewicz, Simon Claridge, Baldeep Sidhu, Cheng Yao, Tom Jackson, Steve Niederer, Bradley Porter, Justin Gould, Helder Pereira

Abstract

Background

Cardiac resynchronization therapy (CRT) is typically delivered via quadripolar leads that allow stimulation using either true bipolar pacing, where stimulation occurs between two electrodes (BP) on the quadripolar lead or extended bipole (EBP) LV pacing, with the quadripolar electrodes and RV coil acting as the cathode and anode, respectively. True bipolar pacing is associated with reductions in mortality and it has been postulated that these differences are the result of enhanced electrical activation.

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