主动脉瓣位于左心室和主动脉的连接处,当左心室收缩时,主动脉瓣开放,血液经过主动脉瓣流入主动脉。当左心室舒张时,主动脉瓣关闭,这时主动脉的压力高于左心室的压力。由于密闭的血管和血管的弹性产生舒张压,主动脉瓣关闭之后,心室进入舒张期,此时血液经过冠状动脉灌注心脏。主动脉瓣关闭不全时,左心室收缩期向主动脉排血,舒张期血液倒流入左心室。根据主动脉瓣关闭不全的严重程度,倒流的血量占左心室排出血量的10%~60%甚至更多。
主动脉瓣关闭不全主动脉瓣关闭不全(aortic insufficiency, AI)(aortic insufficiency, AI)::––重型重型AIAI可发生可发生LHFLHF,易合并细菌性心内膜炎,易合并细菌性心内膜炎(bacterial (...
基于750个网页-相关网页
主动脉瓣关闭不全 轻度主动脉瓣关闭不全(aortic regurgitation,AR)的杂音难以听到。主动脉瓣的舒张期杂音以患者前倾坐位深呼气时最容易发现。
基于102个网页-相关网页
二、二尖瓣关闭不全(mitral insufficiency): 三、主动脉瓣关闭不全(aortic stenosis): 四、主动脉瓣狭窄(aortic insuffciency): ..
基于62个网页-相关网页
慢性主动脉瓣关闭不全 Chronic aortic insufficiency
急性主动脉瓣关闭不全 acute aortic insufficiency
及主动脉瓣关闭不全 Aortic insufficiency
轻度主动脉瓣关闭不全 aortic regurgitation
主动脉(瓣)关闭不全 Aortic (valve) insufficiency
合并主动脉瓣关闭不全 aortic insufficiency
先天性主动脉瓣关闭不全 Congenital insufficiency of aortic valve
主动脉(瓣)狭窄伴有关闭不全 Aortic (valve) stenosis with insufficiency
·2,447,543篇论文数据,部分数据来源于NoteExpress
瓣膜功能障碍中主动脉瓣关闭不全检出率最高。
Of the valve function barrier, the aortic insufficiency was most frequent.
报告8例室间隔缺损合并主动脉瓣关闭不全的临床特点及治疗方法。
The clinical characteristics and method of treatment of 8 cases of ventricular septal defect (VSD) with aortic valve insufficiency have been reported.
目的总结白塞氏病所致主动脉瓣关闭不全的外科疗效,探讨相关手术方式。
Objective To summarize operational effect with surgical treatment of aortic regurgitation caused by Behcet s disease and discuss relevant surgical techniques for treatment of these conditions.
应用推荐