1 INTRODUCTION Pulmonary vein isolation (PVI) for the treatment of symptomatic paroxysmal and persistent atrial fibrillation (PAF and persAF) is a first-line therapy option.1 Point-by-point radiofrequency (RF) catheter ablation or single-shot devices like the cryoballoon (CB) are mostly used to achieve PVI.1, 2 Single-shot devices deliver comparable results with shorter procedure duration in comparison to low power long duration RF ablation (LPDL).3, 4 Therefore, for example, CB-PVI has...