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