我科于1992年6月～1993年12月对快速心律失常25例采取射频消融术治疗，总有效率达94％以上，现报告如下。临床资料一、病例情况25例患者中预激房室旁道（AP）19例，其中男性15例，女性4例，年龄20～73岁。17例反复发作呈上性心动过速3～ZO年，2例反复发作旁道下传快速心房纤颤3 Our department from June 1992 to December 1993 on 25 cases of tachyarrhythmia by radiofrequency ablation, the total effective rate of 94% or more, are as follows. Clinical data First, the case of 25 cases of patients with pre-excitation atrioventricular bypass (AP) 19 cases, including 15 males and 4 females, aged 20 to 73 years. 17 cases of recurrent supraventricular tachycardia in 3 ~ ZO years, 2 cases of recurrent bypass pathway fast atrial fibrillation 3