2ds
2ds-
Objective To assess the feasibility and value of two-dimensional strain ( 2DS ), a novel software for quantitative echocardiographic assessment of global left ventricular ( LV ) strain and strain rate .
目的评价新的超声软件二维应变（2DS）用于定量左心室整体应变与应变率的可行性与价值。
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The regional radial Vs , S and Sr were measured by 2DS from papillary level short-axis view and the values of the infarcted segments were compared with non-infarcted segments .
采集乳头肌水平短轴二维灰阶动态图，应用2DS测量各节段心肌径向Vs、S、Sr，对比正常与梗死节段心肌测值。