左房与肺动脉段均增大时，胸骨左缘第二、三肋间心浊音界增大，心腰更为丰满或膨出，心界形如梨，常见于二尖瓣狭窄，故又称为二尖瓣型心。
目的探讨二尖瓣环收缩期峰值速度及收缩期位移评价扩张型心肌病患者左室收缩功能的价值。
Objective To probe the value of mitral annulus peak systolic flow velocity and systolic displacement in evaluating left ventricular systolic function of dilated cardiomyopathy patients.
目的：应用定量组织速度成像（QTVI）测量二尖瓣环运动速度评价肥厚型心肌病（HCM ）患者左室舒张功能。
Objective:To assess the left ventricular diastolic function in patients with hypertrophic cardiomyopathy(HCM) using mitral annulus velocity determined by quantitative tissue velocity imaging (QTVI).
目的：探讨二尖瓣返流对扩张型心肌病（DCM）患者左室充盈的影响。
Objective:To explore the impact on left ventricular filling pattern which decided by the extent of mitral reflow in dilated cardiomyopathy(DCM) individuals.
应用推荐