Objective: to explore the significance of tissue Doppler imaging (TDI) that make noninvasive assessment of right ventricular diastolic function.

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。

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Objective To evaluate the value of intracardiac tissue Doppler imaging (TDI) for showing the myocardial excitation and conduction.

目的初步评价心腔内组织多普勒成像(TDI)对心肌激动及传导的显像功能。

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Purpose: To evaluate the clinical value of tissue doppler imaging (TDI), color kinesis(CK) and acoustic densitometry (AD) in the assessment of non-infarcted regional myocardial function.

目的：采用组织多谱勒成像（TDI）、彩色室壁运动分析（CK）及声学密度测定（AD）评价心梗患者非梗塞区心肌功能的改变。

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