房室结折返的电生理机制和形态学基础胡英，蔡　绳（上海医科大学附属中山医院心内科上海２０００３２）早在１９４３年Ｂａｒｋｅｒ等［１］就曾提出房室结（ＡＶＮ）可能是许多阵发性室上性心动过速（ＰＳＶＴ）折返活动发生的场所。十几年后Ｍｏｅ等［２］在动物实验及... Electrophysiological mechanism and morphological basis of atrioventricular nodal reentry HU Ying, CAI Sheng (Department of Cardiology, Zhongshan Hospital Affiliated to Shanghai Medical University, Shanghai 200032) Barker et al [1] proposed that AVN may be many Location of paroxysmal supraventricular tachycardia (PSVT) reentry activity. Ten years later Moe et al [2] in animal experiments and ...