P926Preliminary experience of maximum voltage-guided approach with a novel ultra-high density mapping system for atrial flutter ablation. (20th June 2017) - Maglia, G.; Arabia, F.; Aspromonte, V.; Mignano, A.; Candigliota, M.; Pirrotta, S.; D'argento, C.; Bavila, R.; Cerroni, M.; Malacrida, M.; Cassadonte, F.