Prevalence of Left Ventricular Dyssynchrony in Patients with Congenital Atrioventricular Block and Long-Term Pacing: A Three-Dimensional Echocardiographic Study - Guerra, Vitor Coimbra; Martins, Luciana de Menezes; Oliveira, Roberto Marcio; Silva, Kátia Regina da; Binotto, Maria Angelica; Tsutsui, Jeane M.; Kallil, Roberto; Costa, Roberto; Mathias Junior, Wilson (Echocardiography, 2015)