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1952年 Lown,Ganong 和 Levine 三氏提出短 P-R 间期,正常 QRS 波伴发阵发性心动过速的报告。1963年 James 首先报告了连接窦房结和房室结之间及左右心房之间的三条通道,即前、中、后结间束,后束的部分纤维越过房室结而与其下部或希氏束相连,称为 James 旁道。窦性冲动经此旁道进入房室结的下部或直接进入希氏束,避免
In 1952 Lown, Ganong and Levine three proposed short P-R interval, normal QRS wave associated with paroxysmal tachycardia report. In 1963 James first reported the connection between the sinus node and atrioventricular node and between the left and right atrium of the three channels, that is, before and after the junction between the beam, beam after part of the fiber across the atrioventricular node and its lower or His Beam connected, called James bypass. Sinus impulse by this bypass into the lower part of the atrioventricular node or directly into the His bundle, to avoid