[单选题] 正常成人心电图,下列哪项为异常
正常成人心电图,下列哪项为异常
A. P波时限0.06~0.10s
B. P—R间期0.12~0.20s
C. QRS波群时限0.06~0.10s
D. Q—T间期0. 60s
E. ST段任何导联上抬均<0.1mV
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正常成人心电图,下列哪项为异常
A. P波时限0.06~0.10s
B. P—R间期0.12~0.20s
C. QRS波群时限0.06~0.10s
D. Q—T间期0. 60s
E. ST段任何导联上抬均<0.1mV