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Abstract #3442

Blood Velocity Measurement by RF Phase Gradient Differences between Receiver Coils: Initial Work towards Stenotic Jet Velocity

Jonathan Wagner1, Peter David Gatehouse2, and David Nigel Firmin2

1Imperial College, London, United Kingdom, 2Cardiac MRI, Royal Brompton Hospital, London, United Kingdom

Fluid velocity was measured in vitro using the difference between spatial phase responses of array coils in 1993 by Famili, Wright and Porter. Aiming at application to cardiovascular stenotic jets, this abstract re-investigates their method with newer coil arrays and adds a multi-echo approach enabling aortic velocity measurement in normal subjects, with moderate results.

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