心绞痛发作时心电图最常见的改变是A．P波高B．异常Q波C．PR间期正常D．完全性右束支传导阻滞E．ST段水平下移

作者: rantiku 人气: - 评论: 0

问题心绞痛发作时心电图最常见的改变是

选项 A．P波高 B．异常Q波 C．PR间期正常 D．完全性右束支传导阻滞 E．ST段水平下移

答案 E

解析：ST段水平下移为典型心肌缺血改变。

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