常見例句雙語例句The interval between S2 and the OS is related to the severity of mitral stenosis. The more severe the stenosis, the shorter the S2-OS interval.S2和開瓣音間隔時間跟二尖瓣狹窄程度有關,狹窄越嚴重,S2-OS間期就越短。Objective:To observe whether percutaneous transluminal ballonmitral valvuloplasty (PTBMV) can improve the pulmonary function of patients with single mitral stenosis (MS).目的:觀察單純二尖瓣狹窄(MS)患者接受經(jīng)皮腔內(nèi)球囊二尖瓣成形術(PTBMV)治療前后的肺功能指標的變化。d.wanfangdata.com.cnThe authors conclude that the method is safe, non invasive, accurate and repeatable, and it can really reflect the flow field uniformity of normal persons and patients with mitral stenosis.該方法具有安全無創(chuàng)、準確可靠及可重復性強等優(yōu)點,能如實地反映正常人及二尖瓣狹窄患者二尖瓣下游流場均勻性的優(yōu)劣狀況。 返回 mitral stenosis