二尖瓣狭窄最早出现的症状是A.水肿 B.发绀 C.劳力性呼吸困难 D.咳嗽 E.端坐呼吸

作者: tihaiku 人气: - 评论: 0

问题二尖瓣狭窄最早出现的症状是

选项 A.水肿 B.发绀 C.劳力性呼吸困难 D.咳嗽 E.端坐呼吸

答案 C

解析

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