(单选题)
符合右心房肥大的心电图改变是()
AP波时限>0.12s
BPtfV1绝对值为0.05mm.s
CPⅡ、Ⅲ、aVF振幅≥0.25mv,P波高尖
DⅡ、Ⅲ、aVF导联P波双峰,峰间距≥0.04s
EP波形态圆钝,振幅在肢导<0.25mv,胸导<0.2mv
正确答案
答案解析
略
AP波时限>0.12s
BPtfV1绝对值为0.05mm.s
CPⅡ、Ⅲ、aVF振幅≥0.25mv,P波高尖
DⅡ、Ⅲ、aVF导联P波双峰,峰间距≥0.04s
EP波形态圆钝,振幅在肢导<0.25mv,胸导<0.2mv