Functional characterization of atrial electrograms in sinus rhythm delineates sites of parasympathetic innervation in patients with paroxysmal atrial fibrillation.

Abstract

OBJECTIVES This study sought to characterize left atrial (LA) sinus rhythm electrogram (EGM) patterns and their relationship to parasympathetic responses during atrial fibrillation (AF) ablation. BACKGROUND The mechanistic basis of fractionated LA EGMs in patients with paroxysmal AF is not well understood. METHODS We analyzed 1,662 LA ablation sites… (More)

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