心尖区听到舒张期隆隆样杂音，除考虑二尖瓣狭窄的诊断外，还可能是A．三尖瓣关闭不全B．三尖瓣狭窄C．左房黏液瘤D．主动脉瓣关闭不全E．肺动脉...

作者: rantiku 人气: - 评论: 0

问题心尖区听到舒张期隆隆样杂音，除考虑二尖瓣狭窄的诊断外，还可能是

选项 A．三尖瓣关闭不全 B．三尖瓣狭窄 C．左房黏液瘤 D．主动脉瓣关闭不全 E．肺动脉瓣关闭不全

答案 C

解析：左房黏液瘤多在舒张期阻塞二尖瓣口，临床上酷似二尖瓣狭窄。

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