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Phase velocity mapping with a real time line scan technique
Author(s) -
Butts Kim,
Hangiandreou Nicholas J.,
Riederer Stephen J.
Publication year - 1993
Publication title -
magnetic resonance in medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.696
H-Index - 225
eISSN - 1522-2594
pISSN - 0740-3194
DOI - 10.1002/mrm.1910290125
Subject(s) - subtraction , spins , phase (matter) , phase difference , pulse (music) , sensitivity (control systems) , physics , line (geometry) , nuclear magnetic resonance , point (geometry) , image subtraction , optics , mathematics , computer science , geometry , image (mathematics) , image processing , computer vision , arithmetic , engineering , quantum mechanics , electronic engineering , detector , condensed matter physics , binary image
A real‐time, 20‐Hz, one‐dimensional MR velocity imaging technique is described. A two‐dimensional RF pulse excites a 3‐cm diameter column. Velocity maps are formed from the phase difference between successive flow encoded and compensated acquisitions. A three‐point subtraction variation provides reduced sensitivity to static spins.