下列哪种疾病引起的杂音较局限不传导A. 二尖瓣狭窄 &主动脉瓣狭窄 C. 二尖瓣关闭不全 D.主动脉瓣关闭不全

作者: rantiku 人气: - 评论: 0
问题 下列哪种疾病引起的杂音较局限不传导
选项 A. 二尖瓣狭窄 &主动脉瓣狭窄 C. 二尖瓣关闭不全 D.主动脉瓣关闭不全
答案 A
解析 二狭时为局限于心尖区的低调、隆隆样、舒张中晚期递增型杂音,此为二狭最重要而特征性的 体征。②二闭的心尖区全收缩期杂音,向左腋下和左肩胛下区传导。③主狭的杂音可向颈部传导。④主 闭的杂音可向胸骨左下方和心尖区传导。

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