问题
单项选择题 A型题
QT间期离散度常用来反映（）。
A.局部心肌有缓慢传导
B.交感神经和迷走神经之间内在的动态平衡失调
C.心室除极不均一性和电不稳定性
D.心室复极不均一性和电不稳定性
E.心室肌除极时膜电位偏离静息电位的程度
答案
参考答案：D
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QT间期离散度常用来反映（）。
A.局部心肌有缓慢传导
B.交感神经和迷走神经之间内在的动态平衡失调
C.心室除极不均一性和电不稳定性
D.心室复极不均一性和电不稳定性
E.心室肌除极时膜电位偏离静息电位的程度
参考答案：D
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 | |||||||
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