题目内容
左前分支阻滞的心电图表现予年( )
2021-10-24
A.心电轴显著左偏小于-30
B.I、aVL导联QRS波群呈qR型
C.QRS波群时限正常，无明显ST-T改变
D.V5、V6导联QRS波群呈qR型
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