心房扑动的心电图特点包括A、心律绝对整齐B、P波消失,F波代替,频率250~350/min,若频率>300/min,称不纯性心房扑动C、频率250...

作者: rantiku 人气: - 评论: 0
问题 心房扑动的心电图特点包括
选项 A、心律绝对整齐 B、P波消失,F波代替,频率250~350/min,若频率>300/min,称不纯性心房扑动 C、频率250~350/min D、P波消失,f波代替 E、QRs波群呈室上性,房室传导比例2:1~4:1或5:1以上,2:1为常见,1:1为罕见
答案 BCE
解析

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