目的探讨组织速度显像(TVI)技术评价左室节段性室壁运动的可靠性。
Objective To evaluate the reliability of tissue velocity imaging (TVI) in quantitatively assessing left ventricular segmental wall function.
目的：采用超声定量组织速度显像(QTVI)技术，评价冠状动脉内支架置入术后的左室局部室壁运动改变。
Objective: to quantitatively analyze regional left ventricular (LV) systolic function before and after coronary artery stent implantation by quantitative tissue velocity image (QTVI).
目的：应用定量组织速度显像(QTVI)测定二尖瓣环运动速度评价亚临床期糖尿病心肌病患者左室整体收缩和舒张功能。
Objective: to assess global left ventricular systolic and diastolic function in patients with subclinical diabetic cardiomyopathy by quantitative tissue velocity imaging (QTVI).
目的：应用超声定量组织速度显像(QTVI)技术测定二尖瓣环运动速度，评价其是否与左室整体收缩功能指标左室射血分数(L VEF)相关。
Objective: to evaluate if the mitral annular systolic motion velocities measured by Doppler quantitative tissue velocity image (QTVI) correlated with left ventricular ejection fraction (LVEF).
采用心内超声组织多普勒显像技术获取窦性心律上述各点的二维、M型心肌速度和加速度图像；
M mode and 2D TDI were obtained to map myocardial velocity and acceleration with normal sinus rhyme at different sites of cardiac conductive system described above.
采用心内超声组织多普勒显像技术获取窦性心律上述各点的二维、M型心肌速度和加速度图像；
M mode and 2D TDI were obtained to map myocardial velocity and acceleration with normal sinus rhyme at different sites of cardiac conductive system described above.
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