“…The triggers, foci, rotors and atrial cardiomyopathy states may all prove to be of importance for the outcome of various ablation techniques from a mechanistic and clinical perspective . The wide‐area circumferential PV isolation procedure, using either radiofrequency or cryoenergy, which is the cornerstone of AF ablation, results in excellent outcomes in patients with paroxysmal AF but still seems to fail in a significant portion of those with persistent AF, despite several attempts at PV isolation.…”