二度Ⅱ型房室传导阻滞的心电图特征是A.P-R问期进行性缩短B.R-R间距进行性延长C.固定的房室3:1传导D.P-R间期进行性延长,伴QRS波...

作者: rantiku 人气: - 评论: 0
问题 二度Ⅱ型房室传导阻滞的心电图特征是
选项 A.P-R问期进行性缩短 B.R-R间距进行性延长 C.固定的房室3:1传导 D.P-R间期进行性延长,伴QRS波群脱漏 E.P-R问期固定,.伴QRs波群脱漏
答案 E
解析

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