Abstract
Focal radiofrequency (RF) ablation guided by 3-dimesnional (3D) mapping systems has shown considerable success in treating paroxysmal and persistent atrial fibrillation (AF).1 Unfortunately, the procedure remains complex, time-consuming, and highly dependent on operator competency. Multielectrode catheters were developed to address technical difficulties. The pulmonary vein (PV) ablation catheter (PVAC, Medtronic Ablation Frontiers, Carlsbad, CA) is a 9F deflectable circular multielectrode catheter that enables mapping and circumferential PV ablation.
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