PT - JOURNAL ARTICLE AU - Rizzo, Toni ED - Steven, Daniel TI - Unexcitability of Ablation Line and Pulmonary Vein Isolation DP - 2012 Oct 01 TA - MD Conference Express PG - 13--13 VI - 12 IP - 6 4099 - http://mdc.sagepub.com/content/12/6/13.1.short 4100 - http://mdc.sagepub.com/content/12/6/13.1.full AB - Atrial fibrillation (AF) or atrial tachycardia commonly recurs after radiofrequency catheter ablation because of poor durability of pulmonary vein isolation (PVI). This article discusses findings from a trial, based on the hypothesis that the achievement of unexcitability along the ablation line using a pace-guided approach during PVI reduces recurrences of atrial arrhythmia in patients with paroxysmal AF after PVI.