heart valve造句

1、There are several types of heart valve that regulate the flow of blood through the heart.
在心脏中有几种类型的心瓣膜用以调节血液流动。

2、Objective To investigate the use of warfarin sodium after mechanical heart valve replacement.
目的研究心脏机械瓣膜置换术后华法林钠的应用。

3、Objective: to sum up experience of heart valve replacement after closed mitral commissurotomy.
目的：介绍二尖瓣闭式扩张术后的瓣膜替换术经验。

4、Clinical analysis about 621 cases of rheumatic heart valve disease was ex-pounded in the paper.
本资料对621例风湿性心脏瓣膜病进行了临床分析，结果显示该病仍为常见心血管疾病。

5、Objective To review the experience of prosthetic heart valve replacement.
目的总结心脏瓣膜病的人工瓣膜置换手术治疗经验。

6、Heart valve surgery, who has the case of this respect?
心脏瓣膜手术，谁有这方面的案例吗？

7、Changes of Nailfold Microcirculation After Operated Heart Valve Replacement
心瓣膜置换术后的甲襞微循环变化