Atrial Fibrillation Cycle Length Dynamics During Pulmonary Vein Isolation and Posterior Wall Pulsed Field Ablation.
BACKGROUND The benefit of additional left atrial posterior wall ablation (LAPWA), beyond pulmonary vein isolation (PVI), in persistent atrial fibrillation (PersAF) treatment remains controversial. OBJECTIVE We investigated whether signals recorded with a pentaspline pulsed field ablation (PFA) catheter can identify P...