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文氏现象是Ⅱ度传导阻滞的一种特殊形式,可发生于心脏任何解剖部位或具有正常或潜在传导延迟的联接区,其特征是进行性传导障碍直至最后发生完全阻滞,即传导时间逐渐延长直至完全阻滞。阻滞引起的间歇期有利于传导组织功能的恢复。
Venn’s phenomenon is a special form of II degree block that can occur at any anatomical site of the heart or junction with normal or potential conduction delay and is characterized by progressive conduction disturbances until complete blockage eventually occurs ie conduction time Gradually extended until completely blocked. Blocking caused by the intermittent period conducive to the recovery of conduction tissue function.