MRI Flashcards

1
Q

Cortical Bone on T1

A

very low - dark

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2
Q

Cortical Bone on T2

A

very low - dark

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3
Q

Red Marrow on T1

A

intermediate/low - dark

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4
Q

Red Marrow on T2

A

intermediate

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5
Q

Fat/yellow marrow on T1

A

high (bright)

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6
Q

Fat/yellow marrow on T2

A

intermediate

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7
Q

Ligaments/Tendons on T1

A

low - dark

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8
Q

Ligaments/Tendons on T2

A

low - dark

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9
Q

Muscle on T1

A

Intermediate

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10
Q

Muscle on T2

A

intermediate

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11
Q

Fluid on T1

A

low - dark

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12
Q

Fluid on T2

A

high - bright

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13
Q

Acute Hemorrhage

A

T1: bright, T2: dark

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14
Q

Subacute Hemorrhage

A

Same on T1 and T2: mod to high (bright)

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15
Q

Chronic Hemorrhage

A

Varies on T1, Bright on T2

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16
Q

Contrast agent in MR imaging

A

Gadolinium

17
Q

Materials that must be excluded from presence of magnetic field

A

Ferromagnetic

18
Q

Zone I

A

outside

19
Q

Zone II

A

reception and patient holding

20
Q

Zone III

A

control room

21
Q

Zone IV

A

magnet and imaging equipment

22
Q

% of people with real claustrophobia

A

10%

23
Q

Part that trasmits and receives radiofrequency

A

RF coils