Complex fragment atrial electrograms, not pulmonary vein, the ideal ablation targets for chronic atrial fibrillation.

Abstract

Complex fragment atrial electrograms (CFAEs) are fractionated or discrete atrial wave fronts that frequently mapped in chronic atrial fibrillation (CAF). The CFAEs areas represent slow conduction and/or functional blocks that play substrate role in AF. Compared with the limited efficacy of pulmonary veins (PVs) oriented ablation strategy for CAF, few… (More)

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