关于二度I型房室传导阻滞的叙述,不正确的是A.P-R间期逐渐延长至脱落B.P波在aVR倒置,Ⅱ、aVF直立C.房室传导比例常为2:1~4:1D...

作者: rantiku 人气: - 评论: 0
问题 关于二度I型房室传导阻滞的叙述,不正确的是
选项 A.P-R间期逐渐延长至脱落 B.P波在aVR倒置,Ⅱ、aVF直立 C.房室传导比例常为2:1~4:1 D.可见QRS波群脱落 E.P-R间期不固定
答案 C
解析

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