静时搏出量为60ml,心缩末期容积为80ml,心舒末期容积为140ml其射血分数为()×100%
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静时搏出量为60ml,心缩末期容积为80ml,心舒末期容积为140ml其射血分数为()×100%
A.60/80
B.60/140
C.60/(140-80)
D.60/(140-60)
E.60/(140+80)
参考答案: