Ｍａｈａｉｍ纤维的电生理特性及射频消融马长生（中日友好医院心内科北京１０００２９）刘旭宋冠英（上海胸科医院）１９３７年Ｍａｈａｉｍ［１］在进行尸检时发现一组跨过希浦系连接于左束支和心室肌之间的纤维鞘，即束室纤维；随后又发现连接房室结和心室肌的心肌纤维... Mahaim fiber electrophysiological characteristics and radiofrequency ablation Ma Changsheng (Sino-Japanese Friendship Hospital, Department of Cardiology, Beijing 100029) Liu Xu Song Guanying (Shanghai Chest Hospital) In 1937 Mahaim [1] at the time of autopsy found a group across the Hippo Department connected to the left Bundle branch and ventricular muscle between the fiber sheath, that bundle chamber fibers; then found to connect the atrioventricular node and ventricular myocytes myocardial fibers ...