下列哪项与心房颤动心电图特征不符合？（　　） -题库考试答案搜索网

下列哪项与心房颤动心电图特征不符合？（　　）

单选题

2022-02-24 06:47

A、QRS波群频率为100～160次/分
B、P波消失
C、QRS波群形态正常
D、形态、振幅均变化不定的f波
E、R-P间隔相等

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正确答案

E

试题解析

心房颤动心电图可见：①P波消失，代之以350～600次/分小而不规则的基线波动，间隔不均匀、形态、振幅均变化不定的f波；②QRS波群间隔绝对不规则，心室率通常在每分钟100～160次；③QRS波形态一般正常，伴有室内差异性传导或原有束支传导阻滞者QRS波群可增宽、变形。

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