目的评价超声心动图对三尖瓣病变的诊断价值。
Objective To evaluate the diagnostic value of echocardiography in tricuspid valve lesions (TVL).
探讨影响二尖瓣、主动脉瓣并三尖瓣病变术后低心输出量综合征（低心排）的因素以及三尖瓣的处理问题。
Purpose: To find the predictive factors of low cardiac output after mitral and aortic valve operation combined with tricuspid annuloplasty of tricuspid valve lesion.
合并冠状动脉病变2例，风湿性二尖瓣狭窄2例，二尖瓣中重度关闭不全3例，三尖瓣重度反流4例。
Combined cardiac diseases included coronary heart disease (2 cases), rheumatic mitral stenosis (2 cases), and severe mitral insufficiency (3 cases), and severe tricuspid insufficiency (4 cases).
合并冠状动脉病变2例，风湿性二尖瓣狭窄2例，二尖瓣中重度关闭不全3例，三尖瓣重度反流4例。
Combined cardiac diseases included coronary heart disease (2 cases), rheumatic mitral stenosis (2 cases), and severe mitral insufficiency (3 cases), and severe tricuspid insufficiency (4 cases).
应用推荐