某人安静时每搏输出量为70ml,心舒末期容积为140ml,其射血分数约为()
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某人安静时每搏输出量为70ml,心舒末期容积为140ml,其射血分数约为()
A.40%I
B.45%
C.50%
D.55%
参考答案:
某人安静时每搏输出量为70ml,心舒末期容积为140ml,其射血分数约为()
A.40%I
B.45%
C.50%
D.55%
参考答案: