The APS rate was 92% (22/24) for atrioventricular nodal reetrant tachycardia(AVNRT), 88% (15/17) for left-sided accessory pathways, 83% (5/6) for right-sided accessory pathways, 100% (19/19) for atrial flutter.

• 左、右侧旁道参与的房室折返性心动过速(AVRT)的成功率分别为88%25(15/17)、83%25(5/6); 心房扑动的成功率为100%25(19/19)。