单词：mitral stenosis
mitral stenosis的用法和样例：
例句
- An atrial sound is not heard in this condition because mitral valve narrowing prevents sudden emptying of the left atrium.心房音此时不能听到，因为二尖瓣狭窄阻止左心房突然排空。
- Analysis of the effects by percutaneous mitral balloon valvutoplasty in rheumatic mitral stenosis.PBMV has the advantages of lower cost,shorter hospitalization.本文分析经皮球囊二尖瓣成形术治疗风湿性二尖瓣狭窄的疗效。
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