Moussa Mansour et al. JACEP 2017;3:129-138 Consort Diagram Of 83,792 patients with an outpatient atrial fibrillation (AF) ablation in the 4-year period, a first outpatient ablation was identified in 12,027 patients with 1 year of pre- and post-procedure enrollment. There were 2,066 patients (17.2%) with a repeat ablation in the following year. CPT = Current Procedural Terminology; SVT = supraventricular tachycardia; WPW = Wolff-Parkinson-While syndrome. Moussa Mansour et al. JACEP 2017;3:129-138 2017 American College of Cardiology Foundation