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二尖瓣关闭不全时较有意义的体征是()

单选题
2021-12-24 22:28
A、心尖搏动向左下移位
B、心尖部可触及局限性抬举性搏动
C、心浊音界向左下扩大
D、心尖区可闻及响亮粗糙、音调较高的全收缩期吹风性杂音
E、第一心音减弱
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正确答案
D

试题解析

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