二度工型房室传导阻滞最主要的心电图表现是A．PP间距逐渐延长B．RR间距逐渐缩短C．PR间期逐渐延长至QRS波群脱落D．P波与QRS波群无关 ...

作者: rantiku 人气: - 评论: 0

问题二度工型房室传导阻滞最主要的心电图表现是

选项 A．PP间距逐渐延长 B．RR间距逐渐缩短 C．PR间期逐渐延长至QRS波群脱落 D．P波与QRS波群无关 E．有心室漏搏

答案 C

解析

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