P‐wave morphology and multipolar intracardiac atrial activation to facilitate nonpulmonary vein trigger localization

Nonpulmonary vein (non‐PV) triggers of atrial fibrillation (AF) are targets for ablation but their localization remains challenging. The aim of this study was to describe P‐wave (PW) morphologic characteristics and intra‐atrial activation patterns and timing from multipolar coronary sinus (CS) and crista terminalis (CT) catheters that localize non‐PV triggers.

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