Q-T间期的正常值是

A．0.32～0.44s

B．0.06～0.10s

C．0.12～0.20s

D．0.04～0.11s

E．0.36～0.41s

[单选题]成人P–P间期正常值是A.0.09～0.22sB.0.10～0.20sC.0.12～0.20sD.0.08～0.20sE.0.11～0.20s

[单选题]P—R间期正常值为（ ）

[单选题]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

[单选题]成人P-R间期正常值是（）A . 0.09～0.22sB . 0.10～0.20sC . 0.12～0.20sD . 0.08～0.20sE . 0.11～0.20s

[单选题]Q—Tc正常值为（　　）A.＜0.40sB.＜0.44sC.＜0.46sD.＞0.40sE.＞0.46s

[单选题]成年人P-R间期正常值是（）A.0.11～0.20sB.0.12～0.20sC.0.08～0.20sD.0.10～0.20sE.0.06～0.10s

[单选题]成年人P-R间期正常值是A.0.11～0.20sB.0.12～0.20sC.0.08～0.20sD.0.10～0.20sE.0.06～0.10s

[单选题]成年人P-R间期正常值是A.0.11～0.20sB.0.12～0.20sC.0.08～0.20sD.0.10～0.20sE.0.06～0.10s

[单选题]成年人P-R间期正常值是A.0.11～0.20sB.0.12～0.20sC.0.08～0.20sD.0.10～0.20sE.0.06～0.10s

[填空题] Q—T间期代表（），心率在60～100次／min时，Q—T间期的正常范围为（）°