三尖瓣狭窄的最常见病因仍为风湿热,常伴关闭不全、二尖瓣和主动脉瓣损害。其他少见病因尚有类癌瘤、心内膜弹力纤维增生症及右心房肿瘤等。正常三尖瓣口面积>7.0cm2,<1.5cm2时,出现血流动力学异常,产生舒张期三尖瓣跨瓣压差,右心房压和体循环静脉压增高、淤血。同时,右室排血量减少。二尖瓣狭窄的肺部表现可因伴有明显的三尖瓣狭窄而减轻。
概述 三尖瓣狭窄(tricuspid valve stenosis)是指三尖瓣的 病损引起心脏在舒张期血液自右房流入右室时出现梗阻,单独三尖瓣病变极少,多与二尖瓣疾病并存。
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... 主动脉瓣回流 aortic regurgitation 三尖瓣狭窄 Tricuspid valve disorders 雷诺氏病 reynaud's disease ...
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先天性三尖瓣狭窄 congenital tricuspid stenosis
主要有三尖瓣狭窄 Tricuspid Stenosis
三尖瓣狭窄用瓣膜刀 valvulotome for mitral stenosis
非风湿性三尖(瓣)狭窄 Nonrheumatic tricuspid (valve) stenosis
三尖瓣狭窄伴有关闭不全 Tricuspid stenosis with insufficiency
非风湿性三尖(瓣)狭窄伴有关闭不全 Nonrheumatic tricuspid (valve) stenosis with insufficiency
可导致舒张中晚期杂音的病症包括:二尖瓣或三尖瓣狭窄;
They arise from either augmented blood flow or a stenosed valve.
目的探讨三尖瓣返流与冠状动脉狭窄的关系。
Objective To investigate the relationship of tricuspid regurgitation and coronary artery stenosis.
提示右心发育受限,如肺动脉(瓣)狭窄、三尖瓣下移畸形。法洛氏四联症、右室双出口等。
This would thus suggest a right-sided restriction such as pulmonary stenosis, an Ebstein anomaly, tetralogy of Fallot, or a double-outlet right ventricle.
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