风心病二尖瓣狭窄，出现哪项体征提示心力衰竭A．心尖部收缩期抬举性搏动B．交替脉C．拍击性第一心音D．肺动脉瓣区第二心音亢进E．短绌脉

作者: rantiku 人气: - 评论: 0

问题风心病二尖瓣狭窄，出现哪项体征提示心力衰竭

选项 A．心尖部收缩期抬举性搏动 B．交替脉 C．拍击性第一心音 D．肺动脉瓣区第二心音亢进 E．短绌脉

答案 B

解析

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