
Keywords: RF، radio frequency; AP, accessory pathway; AVNRT, atrioventricular nodal reentrant tachycardia; AVRT, atrioventricular reentrant tachycardia; CS, coronary sinus; EPS, electrophysiologic study; RF, radiofrequency; SD, standard deviation; SVT, supraventricular tachycardia; WPW