Response to atrial arrhythmias in an atrioventricular synchronous ventricular leadless pacemaker: A case report in a paroxysmal atrial fibrillation patient

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Presentation transcript:

Response to atrial arrhythmias in an atrioventricular synchronous ventricular leadless pacemaker: A case report in a paroxysmal atrial fibrillation patient Christophe Garweg, MD, Todd J. Sheldon, MS, Larry Chinitz, MD, FHRS, Philippe Ritter, MD, Clemens Steinwender, MD, Rik Willems, MD HeartRhythm Case Reports Volume 4, Issue 12, Pages 561-563 (December 2018) DOI: 10.1016/j.hrcr.2018.08.006 Copyright © 2018 Heart Rhythm Society Terms and Conditions

Figure 1 From top to bottom: Accelerometer (ACC), surface electrocardiogram (ECG), and ventricular electrogram (EGM). VE indicates the end of the programmed A3 window. A: Appropriate detection and tracking of the different ACC signals—isovolumetric contraction and mitral/tricuspid valve closure (A1), aortic/pulmonary valve closure (A2), passive ventricular filling (A3), and atrial contraction (A4)—during sinus rhythm (SR) are shown; atrial sense (AS) marker confirms the detection of the atrial contraction, followed by a ventricular paced event (VP marker). B: The ACC signal during atrial fibrillation (AF) and lower rate pacing. A1, A2, and A3 are identifiable and have the same amplitude, but a distinct A4 signal is no longer present. HeartRhythm Case Reports 2018 4, 561-563DOI: (10.1016/j.hrcr.2018.08.006) Copyright © 2018 Heart Rhythm Society Terms and Conditions