P—R间期正常值正确的是( )A.P—R间期为0.12～0.20sB.P—R间期正确值与年龄无关C.P—R间期0.10s为缩短D.P—R新时期0.12s为延长E.P—R新时期是P波起点至QRS波终点
P—R间期正常值正确的是( )
A.P—R间期为0.12～0.20s
B.P—R间期正确值与年龄无关
C.P—R间期<0.10s为缩短
D.P—R新时期>0.12s为延长
E.P—R新时期是P波起点至QRS波终点
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