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1·Study the characteristics of the color Doppler echocardiography of ruptured mitral chordae tendineae (RMCT).

研究二尖瓣腱索破裂（RMCT）的彩色多普勒超声心动图特征。

2·The objective is to explore the roles of color Doppler vena contracta in the evaluation of mitral regurgitation grading.

目的是探讨彩色多普勒静脉收缩术在评估二尖瓣反流分级中的作用。

3·Mild mitral regurgitation.

二尖瓣轻度反流。

4·We could look at the mitral valve.

我们能打开左心房，看到冠状瓣膜。

5·What is heart mitral valve velar prolapse?

什么是心脏二尖瓣膜脱垂？

6·Mitral regurgitation is one of the most serious heart diseases.

二尖瓣返流是心脏疾病最主要的发病之一。

7·Two men with failed mitral valves died after the initial surgery.

两名伴损毁二尖瓣的男性术后死亡。

8·Results the mitral annular area were changed throughout the cardiac cycle.

结果二尖瓣环面积在心动周期中不断发生变化。

9·Objective To investigate the mechanism of functional mitral regurgitation.

目的探讨功能性二尖瓣返流的机制。

10·Objective To study the clinical manifestation of mitral valve prolapse syndrome.

目的了解二尖瓣脱垂综合征的临床表现。

二尖瓣的

1·Study the characteristics of the color Doppler echocardiography of ruptured mitral chordae tendineae (RMCT).

研究二尖瓣腱索破裂（RMCT）的彩色多普勒超声心动图特征。

2·The objective is to explore the roles of color Doppler vena contracta in the evaluation of mitral regurgitation grading.

目的是探讨彩色多普勒静脉收缩术在评估二尖瓣反流分级中的作用。

3·Objective: To explore nursing for the patients with mitral valve replacement by chordal preservation.

前言： 目的：探讨保留瓣下结构二尖瓣置换术的护理配合。

4·In 2006, he underwent a carotid ultrasound test and transthoracic echocardiography, which showed, among other troubles, a malfunction of the mitral valve.

他于2006年进行了颈动脉超声和经胸超声心动图检查，检查结果显示，他的心脏还有其它问题，其中之一是二尖瓣功能障碍。

5·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和开瓣音间隔时间跟二尖瓣狭窄程度有关，狭窄越严重，S2-OS间期就越短。

(1)mitral valven. [解]二尖瓣；僧帽瓣

(1)mitral stenosis二尖瓣狭窄，僧帽瓣狭窄

(1)mitral regurgitation二尖瓣回流

(1)mitral valve prolapse二尖瓣脱垂；僧帽瓣脱垂