Table 2 - Electrophysiological features. HR: Heart Rate; cQT: Corrected QT; WP: Wenckebach Point (ppm); SNRT: Sinus Node Recovery Time; cSNRT: Corrected Sinus Node Recovery Time; SACT: Sino-Atrial Conduction Time; EART: Effective Atrial Refractory Period; EAVRP: Effective Atrioventricular Refractory Period; EVRP: Effective Ventricular Refractory Period.