Keywords: AF; ASD; Atrial fibrillation; Atrial septal defect closure device; Catheter ablation; ICE; LA; PCI; PV; PVI; TSP; Transseptal puncture; atrial septal defect; atrial fibrillation; intracardiac echocardiography; left atrium/atrial; percutaneous coronary intervention; pulmonary vein; pulmonary vein isolation; transseptal puncture.