Hybrid magnetic aresonance spatial and velocity imaging
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United States of America Patent
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Jul 6, 1993
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N/A
app pub date -
Aug 28, 1991
filing date -
Aug 28, 1991
priority date (Note) -
Expired
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Abstract
A method for acquiring spatial and velocity image data for three dimensional magnetic resonance angiography simultaneously by using a stepped bipolar gradient pulse in which the zeroth gradient moment is nulled by the second lobe of the pulse to provide a second echo which encodes velocity information, and spatial information is readout following the first lobe of the bipolar pulse. The preferred embodiment of the invention utilizes a multiple overlapping thin slab acquisition technique which makes possible high quality images for both spatial and velocity signals.
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