Gradient moment nulling in a fast spin echo NMR pulse sequence
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United States of America Patent
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Jan 18, 1994
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N/A
app pub date -
Mar 19, 1992
filing date -
Mar 19, 1992
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Abstract
Image artifacts caused by flowing spins during a fast spin echo pulse sequence are suppressed by employing gradient moment nulling. The first moment of one or more gradients is nulled at each RF refocusing pulse in the sequence, and in alternative embodiments, the first moment is also nulled at each acquired NMR echo signal.
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