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哑型二尖瓣狭窄，即是在某些情况下，在心尖部听不到隆隆样舒张期杂音的二尖瓣狭窄。由于临床杂音特征不明显，常被误诊或漏诊。国外对本病早有报道，但国内至今尚少报告。我院1979年以来发现本病
Dumb-type mitral stenosis is a type of mitral stenosis in which the rumble-like diastolic murmur can not be heard at the apex in some cases. Due to the clinical characteristics of the murmur is not obvious, often misdiagnosed or missed diagnosis. Abroad has already been reported on this disease, but so far it is still not reported in China. Our hospital found the disease since 1979