Philippe Taghji et al. JACEP 2017;j.jacep.2017.06.023 Representative Examples of RF Characteristics in CLOSE-Guided PVI The deployed circles are represented color-coded (dichotomous or continuous) for each of the following criteria: application time, power, impedance drop (Δ-Imp), contact force, force-time integral (FTI), AI, perimeter, ILD, and ablation index contiguity index (ALCI). See text for further explanation. Abbreviations as in Figures 1 and 2. Philippe Taghji et al. JACEP 2017;j.jacep.2017.06.023 2017 American College of Cardiology Foundation