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Pulmonary Vein Tachycardia after Pulmonary Vein Isolation for Persistent Atrial Fibrillation in a Young Patient with the Dilated Right Atrium Following Surgical Repair

Gaku Izumi, Hisashi Yokoshiki and Atsuhito Takeda

The substrate for atrial fibrillation (AF) in young patients with congenital heart disease could be heterogeneous. We report a 24-year old patient with persistent AF having the dilated right atrium following surgical repair of congenital heart disease demonstrating sustained pulmonary vein tachycardia (PVT) after pulmonary vein isolation. The sustained PVT could have been a major substrate for the maintenance of AF in this young patient.