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希氏束在室间隔上方分为两大支 ,细而长的右束支和粗而短的左束支分别支配右室和左室。左束支又分为左前分支、左后分支以及间隔支 ,它们可以分别发生不同程度的传导障碍 ,称为束支阻滞或分支阻滞。1 束支阻滞的分类1.1 根据QRS波群时限是否≥ 0 .12s分为完全性与不完全性束?
His bundle is divided into two branches above the interventricular septum, thin and long right bundle branch and coarse and short left bundle branch respectively dominate the right ventricle and left ventricle. Left bundle branch is divided into left anterior branch, left posterior branch and the spacer, they can occur in varying degrees of conduction barriers, known as bundle branch block or branch block. 1 bundle branch block classification 1.1 QRS wave group time limit is ≥ 0.12s into complete and incomplete bundle?