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1899年 Wenckebach 根据颈静脉搏动的 a 及 c 波时距逐渐延长、终至 c 波脱漏,描写了一种房室传导阻滞。引入心电图检查术后,1924年 Mobitz 确定这种房室传导阻滞的特征是 PR 间期(以下简称 PR)进行性延长,最后 QRST 波群(以下简称 QRST)脱落。1927年 Wenckebach 详细描述其心电图特征。这些特征是:(1)PR 逐步延长;(2)每个周期中 PR 增量以第一个为最大;(3)PR 增量逐步减小,导致 RR 间期(以下简称 RR)逐步缩短;(4)QRST 脱落后 P 波(以下简称 P)重又下传,造成长 RR
In 1899 Wenckebach according to the jugular vein pulse a and c wave interval gradually extended, and finally the c wave leakage, describes a kind of atrioventricular block. After the introduction of electrocardiography, Mobitz determined in 1924 that this kind of atrioventricular block was characterized by prolonged PR interval (hereinafter referred to as PR), and finally QRST wave group (QRST) shedding. In 1927 Wenckebach detailed its electrocardiographic features. These features are: (1) PR is gradually extended; (2) PR increment is the first one in each cycle; (3) PR increment is gradually reduced, resulting in the shortening of the RR interval (RR) (4) QRST fall off after the P wave (hereinafter referred to as P) and re-download, resulting in long RR