QRS波群时限0．12s，P波与QRS无关，P波多于QRS群波，心室率40次／min，律规整，根据这一心电图特点，可诊断为A．二度房室传导阻滞B．三度...

作者: rantiku 人气: - 评论: 0

问题 QRS波群时限0．12s，P波与QRS无关，P波多于QRS群波，心室率40次／min，律规整，根据这一心电图特点，可诊断为

选项 A．二度房室传导阻滞 B．三度房室传导阻滞，室性逸搏心律 C．未下传的房性早搏呈二联律 D．窦性心动过缓 E．交界区逸搏心律

答案 B

解析

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