HU Flashcards

1
Q

Air

A

-1000

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2
Q

Lungs

A

-250 to -850

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3
Q

Fat

A

-100

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4
Q

Water

A

0

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5
Q

Cyst

A

-5 to +10

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6
Q

Fluid

A

0 to +25

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7
Q

Tumor

A

+25 to +100

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8
Q

Blood - Fluid

A

+20 to +50

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9
Q

Blood - Coagulated

A

+50 to +75

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10
Q

Blood - Old

A

+10 to +15

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11
Q

Brain

A

+20 to +40

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12
Q

Muscle

A

+35 to +50

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13
Q

Galbladder

A

+5 to +30

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14
Q

Liver

A

+40 to +70

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15
Q

Aorta

A

+35 to +50

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16
Q

Bone

A

+150 to +1000

17
Q

Metal

A

+2000 to +4000

18
Q

White matter (CT#)

A

+45

19
Q

Grey matter (CT#)

A

+40

20
Q

CSF (CT#)

A

+15

21
Q

Blood (CT#)

A

+40