Luigi Pannone, Cinzia Monaco, Antonio Sorgente, Pasquale Vergara, Paul-Adrian Calburean, Anaïs Gauthey, Antonio Bisignani, Shuichiro Kazawa, Antanas Strazdas, Joerelle Mojica, Felicia Lipartiti, Maysam Al Housari, Vincenzo Miraglia, Sergio Rizzi, Dimitrios Sofianos, Federico Cecchini, Thiago Guimarães Osório, Gaetano Paparella, Robbert Ramak, Ingrid Overeinder, Gezim Bala, Alexandre Almorad, Erwin Ströker, Gudrun Pappaert, Juan Sieira, Pedro Brugada, Mark La Meir, Gian-Battista Chierchia, Carlo de Asmundis
Background The rate of sudden cardiac death (SCD) in Brugada syndrome (BrS) is ≈1%/y. Noninvasive electrocardiographic imaging is a noninvasive mapping system that has a role in assessing BrS depolarization and repolarization abnormalities. This study aimed to analyze electrocardiographic imaging parameters during ajmaline test (AJT). Methods and Results All consecutive epicardial maps of the right ventricle outflow tract (RVOT-EPI) in BrS with CardioInsight were retrospectively analyzed. (1) RVOT-EPI activation time (RVOT-AT); (2) RVOT-EPI recovery time, and (3) RVOT-EPI activation-recovery interval (RVOT-ARI) were calculated...
January 18, 2022: Journal of the American Heart Association