Among them there were atrioventricular reentrant tachycardia(AVNRT) in 55 cases,artrial ventricular reentrant tachycardia(AVRT) in 106 cases,idiopathic ventricular tachycardia(IVT) in 4 cases,atrial flutter(AFL) in 5 cases.

• 房室结折返性心动过速 (AVNRT) 5 5例 ,房室折返性心动过速 (AVRT) 10 6例 ,特发性室性心动过速 (IVT) 4例 ,阵发性心房扑动 (AFL) 5例。