二尖瓣三尖瓣少量返流的原因

来自罗莉医生的专业解答，快打开看看是否又获得了新的知识点～

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健康之路

病情分析：出现这种情况，一般是二尖瓣、三尖瓣关闭不全造成的。导致心脏瓣膜关闭不全的因素有感染性心内膜炎、风湿性心脏瓣膜病、缺血性心肌病、病毒性心肌炎、酒精性心肌病等疾病。建议患者进一步做相关检查。

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提示：本内容仅作参考，不能代替面诊，如有不适请尽快线下就医

问题描述：我的姐姐去医院检查，发现二尖瓣以及三尖瓣少量反流，想问一下这是怎么回事呢？