Objective:To evaluate the left atriaum appendage (LAA) function in rheumatic mitral stenosis(MS) by transthoracic and transesophageal echocardiography(TTE,TEE).

• 应用经胸及经食道超声心动图(TTE,TEE)技术评价风湿性心脏病二尖瓣狭窄患者左心耳功能。