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In PAH group, the mitral valve orifice blood streams, the AV of Doppler spectrum,the velocity-time integra and AV/EV, AVI/EVI were all increased significantly compared with the control group (P<0?01). PAH组与对照组比较;二尖瓣口血流多普勒频谱A峰流速(AV)、速率时间积分(AVI)及肺动脉压与二尖瓣口血流频谱比值(AV/EV);AVI/EVI均逐渐明显增大;差异均有显著意义(P<0.;01);
Methods:The 20 patients with rheumatic mitral stenosis receipted examination of doppler echocardiography.We measure transmitral pressure gradient,mitral valve orifice area and pulmonary flow pattern. 方法:20例风湿性二尖瓣狭窄患者,经多普勒超声心动图检查,测量了二尖瓣口压差、瓣口面积及肺动脉血流频谱参数。
Comparison study of stenotic mitral valve orifice area measured from real-time three-dimensional echocardiography and surgical specimen 实时三维超声心动图与手术测量二尖瓣狭窄瓣口面积的对照研究
Initial exploration into measurement of stenotic mitral valve orifice area by real-time three-dimensional echocardiography 实时三维超声心动图测量二尖瓣狭窄瓣口面积的初步探讨
Mitral valve orifice 二尖瓣口
mitral valve orifice area 二尖瓣口面积
Conclusion Double orifice valve repair is a simple and effective methord in the treatment of mitral valve insufficency. 结论双孔二尖瓣成形术是矫治先天性二尖瓣关闭不全的一种简便而有效的方法。
What is heart mitral valve velar prolapse? 什么是心脏二尖瓣膜脱垂？
Objective To study the value of mitra l orifice plane determination technique (MOPDT) in measurement of mitral valve are a(MVA) through 2-dimensional echocardiography(2DE). 目的应用二尖瓣口平面确定技术(mitralorificeplanedeterminationtechnique,MOPDT)对二尖瓣口面积(MVA)进行二维超声(2DE)测量,旨在探讨MOPDT在2DE测量MVA中的作用和价值。
This is chronic rheumatic valvulitis involving the mitral valve. 图示：慢性风湿性心瓣膜病（二尖瓣狭窄）。
The left ventricle and mitral valves were normal. 左心室形态及结构正常。
They can produce a "ball valve" effect by intermittently occluding the atrioventricular valve orifice. 他们可以产生“球阀”效应，引起房室瓣口间歇性关闭。
Results Mitral valve and tricuspid valve prolapse were classed three grades. 结果二、三尖瓣脱垂分为三级。
Conclusion: This is a better methodto take MVR for mitral valve incompetence. 结论：此方法是二尖瓣关闭不全行二尖瓣替换术的一种较好方法。
Conclusions PBMV is an effective treatment for rheumatic mitral valve stenosis. 结论PBMV是治疗风湿性二尖瓣狭窄的有效方法。
Objective To explore the clinical application of mitral valve plasty (MVP). 目的为开拓二尖瓣成形术(MVP)的临床应用。
Some persons with atypical chest pain have physical signs or echocardiographic evidence of mitral valve prolapse. 一些非典型胸痛患者可有二尖瓣脱垂的体征或超声心动图证据。
Likewise, the stethoscope allows the examiner to detect mid systolic clicks in mitral valve prolapse and pericardial friction rubs. 同样听诊器有利于检查者发现二尖瓣脱垂时收缩中期喀喇音和心包摩擦音。
Objective To report salvage and nursing of one case of mitral valve sacculus dilation (PBMV) complicated heart jam. 目的:报告二尖瓣球囊扩张术(PBMV术)并发心脏压塞的抢救与护理。
The prolapsed mitral valves and their tendinous chordae were viewed. 观察脱垂的二尖瓣瓣膜与腱索,测量瓣膜脱垂的范围。