结论M VG是比心肌运动速度更敏感的反映局部心肌缺血的指标。
Conclusion MVG is more sensitive than myocardial velocity for detecting ischemic myocardium.
纵向位移是测量收缩期心肌运动幅度，显现为心肌节段的速度-时间积分。
Longitudinal displacement measures myocardial motion amplitudes in systole and visualizes the segmental velocity - time integrals.
目的：探讨定量组织速度成像技术在评价梗死心肌局部收缩运动和精确性能。
AIM To investigate the precise function of quantitative tissue velocity imaging in evaluating the local contraction of infarcted myocardium.
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