Background Circumferential pulmonary vein isolation (CPVI), as the basal ablation strategy for treating atrial fibrillation (AF), not only isolates the connection between the left atrium (LA) and the pulmonary v...
Ablation of persistent atrial fibrillation is still a challenge for the ablationist. Extensive ablation is required under some conditions and could lead to some unintended complications. Here we report a case of atriu...