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二尖瓣狭窄患者可听到的最重要的杂音是()

单选题
2021-12-26 22:19
A、心尖区收缩期吹风样杂音
B、心尖区舒张期隆隆样杂音
C、主动脉瓣区舒张期叹气样杂音
D、肺动脉瓣区舒张期吹风样杂音
E、胸骨右缘第2肋间响亮而粗糙的双期杂音
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正确答案
B

试题解析
二尖瓣狭窄心脏听诊心尖区舒张中晚期低调的隆隆样杂音,呈递增型、局限性,左侧卧位时明显,可伴有舒张期震颤。

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