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Cards In This Set
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Increased TR
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Increased Longitudinal Relaxation
Increase S/N
Increase of max. allowable slices
increased scan time
decrease T1 weghted contrast
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Increased TE
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Increase transverse relaxation
increases T2 weighted contrast
decrease S/N
decreases number of allowable slices
Increased gradient echo susceptiblility
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Increased Inversion Time
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Decrease T1 weight contrast
Very short: null fat (STIR)
Long: Null CSF (FLAIR)
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Larger flip angle
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Better S/N
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Increased Slice Thickness
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Increased S/N
more anatomical coverage
increased partial voume artifacts
Decreased spatial resolution
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Increasing Gap
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Decreased cross talk
Increased anatomical coverage
Increased risk of missing important anatomy/pathology
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Increased Matrix: Phase Steps (Y)
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Decreased S/N
Increased spatial resolution
increased scan time
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Increased Matrix: Frequency Steps
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Decreased S/N
Increased spatial resolution
no affect on scan time
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Increased Nex
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Increased S/N
increase scan time
decrease motion artifacts
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Increased Receiver Bandwidth
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Decreased S/N
decreased chemical shift artifact
no affect on scan time
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