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二尖瓣狭窄(二窄)大多由风湿性心瓣膜病所致,少部分为先天性。如房间隔缺损合并二尖瓣狭窄(Lutembacherl’s综合征)。在二窄的病人中,心尖部常常可听到舒张期杂音,但亦有一部分二窄的病人,即使平卧位、左侧卧位,或运动后细心地用钟型听诊器听诊,二尖瓣区或心尖区始终未能听到或记录到舒张期杂音。我们称此为哑型二窄,又叫寂静型二窄(Silent Mirtral Stenosis)。
Mitral stenosis (two narrow) mostly caused by rheumatic heart valve disease, a small part of congenital. Such as atrial septal defect with mitral stenosis (Lutembacherl’s syndrome). In two narrow patients, the apical part often can hear diastolic murmur, but also some patients with two narrow, even supine, left lateral position, or exercise carefully with a bell-type stethoscope auscultation, mitral valve District or apex area has not been able to hear or record diastolic murmur. We call this a dumb type, which is also called Silent Mirtral Stenosis.