速度向量成像技术及其定量评价
张天义，冼惠珍 张天义、冼惠珍，贵州省遵义医学院附属医院彩超室，563003
摘要: 应变和应变率成像(strain and strain rate imaging，SRI)是显示局部心肌变形和变形速率的实时超声成像技术，是定量评价局部心肌功能的新方法 [1] 。目前超声测量心肌应变的方法由组织多普勒技术(TDI)发展而来，通过阈值滤过高频、低振幅的血流信号，检测低频、高振幅的室壁运动信号，这种技术受超声束方向与室壁运动方向间夹角的影响，主要用于检测心肌长轴方向的运动 [2-4] 。速度向量成像技术(velocity vector imaging，VV..
关键词：心肌；超声检查
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PDF文献标引:张天义，冼惠珍.速度向量成像技术及其定量评价.中华临床医师杂志（电子版）,2007,1(5):433-437.
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