Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

DI3 > Contrast Media > Flashcards

Contrast Media Flashcards

1
Q

Why is contrast media used in Radiography?

A

It is used to distinguish areas of anatomy that are of interest during imaging.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the 3 types of Contrast Media?

A
  • Iodine
  • Gadolinium
  • Barium Sulphate
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

How is contrast excreted?

A

Through urination or via bowel movements

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How is Barium Sulphate administered?

A

Orally or Rectally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

List 4 reasons why a patient may not be given contrast

A
  • Diabetes
  • Asthma
  • They have had contrast within the last 24hrs
  • Dehydration
  • Previous reactions to contrast
  • Allergies
  • Kidney disease/Renal transplant
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

True or False?

The estimated glomerular filtration rate (eGFR) measures the level of kidney function.

A

True.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the lowest eGFR value that a patient can present with and still have contrast without extra discussion

A

45mls/min

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Name 3 safety precautions carried out before administering contrast

A
  • Safety questionnaire
  • Pre-scan blood tests
  • Keep contrast dosage as low as possible
  • Warm the contrast
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

How many mls of contrast are administered for a CT Brain scan?

A

50mls

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

A patient is safe to receive contrast media with an eGFR greater than..

A

60mls/mins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are 2 mild reactions to contrast?

A
  • Flushing
  • Nausea
  • Itching
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which examination uses 75-100mls of contrast?

A

CT CAP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are the signs of Extravasation?

A
  • Pain
  • Swelling
  • Tenderness
  • Redness
  • Itching
  • Skin tightness
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Define Extravasation

A

The leakage of fluids from a blood vessel (vein) into the surrounding tissues

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What steps should you take in the case of Extravasation?

A
  • Discontinue the injection
  • Raise the limb
  • Apply an ice pack
  • Inform the Radiologist
  • Keep the patient under observation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

True or False?

A CT Angiogram uses 100mls of contrast.

A

False.

For a CT Angiogram, <150mls of contrast are used.

17
Q

List 3 examples of severe adverse reactions to contrast

A
  • Difficulty breathing
  • Cardiac arrest
  • Convulsions
  • Swelling of the throat
  • Respiratory arrest
18
Q

What is the osmolarity of blood plasma?

A

290mOsM per litre

19
Q

Reducing particles of ion reduces osmotic effects and passage of water from..

A

..extracellular spaces.

20
Q

What are 4 moderate adverse reactions to contrast?

A
  • Wheezing
  • Abnormally high or low blood pressure
  • Rash/Hives
  • Shortness of breath
  • Abnormal heart rhythm

DI3 (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions