Strain rate analysis in ultrasonic diagnostic images
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United States of America Patent
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-
Mar 25, 2003
Grant Date -
Jun 13, 2002
app pub date -
Dec 7, 2000
filing date -
Dec 7, 2000
priority date (Note) -
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Abstract
Strain rate analysis is performed for ultrasonic images in which the spatial gradient of velocity is calculated in the direction of tissue motion. Strain rate is calculated for cardiac ultrasound images in the direction of motion which, for myocardial images, may be either in the plane of the myocardium or across the myocardium. Strain rate information is calculated for a sequence of images of a heart cycle and displayed for an automatically drawn border such as the endocardial border over the full heart cycle.
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