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Radiology > Contrast Studies > Flashcards

Contrast Studies Flashcards

1
Q

Radio opaque is positive or negative?

A

Positive

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2
Q

Types of positive contrasts?

A

Barium or iodine

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3
Q

Radiolucent is positive or negative?

A

Negative.

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4
Q

Types of negative contrasts?

A

Gas, co2

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5
Q

Frequently injected into veins to look for kidneys, heart etc.

A

Water soluble

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6
Q

Is sterile

A

Iodine

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7
Q

Used primarily for GI tract studies.

A

Barium

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8
Q

Why is it bad for barium to leak into the cavities?

A

The body sees it as a foreign body and attacks it

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9
Q

Can cause an embolism (block of an artery)

A

Air. (Negative contrast)

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10
Q

How do you prep for a GI study?

A

Empty GI tract (vomit, defecate, enema)

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11
Q

What would we look for during an esophagraphy?

A

Enlarged esophagus, function and motility

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12
Q

Can mix with food to ingest.

A

Barium

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13
Q

What does upper GI study focus on?

A

Stomach, small intestine

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14
Q

At what times do we want to take radiographs when doing an upper GI study?

A

0, 15, 30, 60, 90 minutes

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15
Q

What is the dosing rate of barium for upper GI?

A

4-8mg/kg

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16
Q

What can be mistaken for a foreign body like s ball?

A

Pylorus

17
Q

What area does a lower GI study focus on?

A

Large intestine

18
Q

What is evaluated during urinary contrast study?

A

Kidneys, stones, bladder, ureter, urethra

19
Q

Analysis of the bladder.

A

Cystography

20
Q

Using both positive and negative contrasts.

A

Double contrast study

21
Q

Trauma we caused.

A

Iatrogenic

22
Q

Adding dye to the spinal cord to view disks.

A

Myelography

23
Q

To view a tract from a foreign body

A

Fistulography

24
Q

Injecting contrast into the lungs.

A

Pneumoperitoneography

25
Q

Two types of contrast mediums?

A

Radiolucent, radio opaque

Radiology (10 decks)

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