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Phase velocity mapping with a real time line scan technique

✍ Scribed by Kim Butts; Nicholas J. Hangiandreou; Stephen J. Riederer

Publisher
John Wiley and Sons
Year
1993
Tongue
English
Weight
673 KB
Volume
29
Category
Article
ISSN
0740-3194

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✦ Synopsis

Abstract

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.

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✍ P. D. Gatehouse; D. N. Firmin; S. Collins; D. B. Longmore 📂 Article 📅 1994 🏛 John Wiley and Sons 🌐 English ⚖ 901 KB

## Abstract The work describes the development of a novel sequence that uses rapid spiral __k__‐space sampling, combined with phase velocity mapping, for real time flow velocity imaging. The performance of the technique is assessed on phantoms for both through‐plane and in‐plane flows. The flow mea