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Mri Trade Offs > MRI Trade OFFs > Flashcards

MRI Trade OFFs Flashcards

1
Q

Increasing the TR will:

A

Increase SNR,
Increase Scan Time,
Decrease T1 contrast

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2
Q

Decreasing the TR will:

A

Decrease SNR,
Decrease Scan time,
Increase T1 contrast,
Decrease number of slices available

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3
Q

Increasing TE will:

A

Decrease SNR,
Increase T2 contrast

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4
Q

Decreasing TE will:

A

Increase SNR,
Decrease T2 contrast

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5
Q

Increasing slice thickness will:

A

Increase SNR,
Decrease spatial resolution,
Increase partial volume/crosstalk

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6
Q

Decreasing slice thickness will:

A

Decrease SNR,
Increase spatial resolution,
Decrease partial volume/crosstalk

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7
Q

Increasing FOV will:

A

Increase SNR,
Decrease spatial resolution,
Decrease aliasing,
Increase partial volume/crosstalk,

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8
Q

Decreasing FOV will:

A

Decrease SNR,
Increase spatial resolution,

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9
Q

Increasing Phase Matrix will:

A

Decrease SNR,
Increase scan time,
Increase spatial resolution,
Decrease partial volume/crosstalk

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10
Q

Decreasing Phase Matrix will:

A

Increase SNR,
Decrease scan time,
Decrease spatial resolution,
Increase partial volume/crosstalk

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11
Q

Increasing Frequency Matrix will:

A

Decrease SNR

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12
Q

Decreasing Frequency Matrix will:

A

Increase SNR

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13
Q

Increasing NEX will:

A

Increase SNR,
Increase scan time

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14
Q

Decreasing NEX will:

A

Decrease SNR,
Decrease scan time

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15
Q

Increasing flip angle will:

A

Increase SNR to Ernst angle,
Increase scan time,
Increase T1 contrast,

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16
Q

Decreasing flip angle will:

A

Decrease SNR,
Decrease scan time,
Decrease T1 contrast

17
Q

Decreasing rBW will:

A

Decrease noise,
Reduces sharpness,
Increases SNR,
Increases chemical shift,
Increases Minimum TE

18
Q

Increasing rBW will:

A

Decrease SNR,
Decrease minimum TE,
Decrease chemical shift,
Increase number of slices available

19
Q

Increasing slice gap will:

A

Increase SNR,
Decrease spatial resolution

20
Q

TE controls:

A

T2 weighting

21
Q

TR controls:

A

T1 weighting

22
Q
A

Mri Trade Offs (1 decks)

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