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.
目的：探讨组织多普勒显像(TDI)技术评价肺动脉高压患者右室舒张功能的临床意义。
Objective: to explore the significance of tissue Doppler imaging (TDI) that make noninvasive assessment of right ventricular diastolic function.
组织追踪法是基于组织多普勒显像的一种新技术。
Tissue Tracing (TT) is a recently developed technique based on tissue Doppler imaging.
应变率成像是从组织多普勒显像中衍生出来的新技术，它是一种研究局部心功能的无创的新方法。
Strain rate imaging is a new technique deriving from tissue Doppler imaging, which is a new noninvasive method studying local heart function.
应变率成像是从组织多普勒显像中衍生出来的新技术，它是一种研究局部心功能的无创的新方法。
Strain rate imaging is a new technique deriving from tissue Doppler imaging, which is a new noninvasive method studying local heart function.
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