Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/50

Click to flip

50 Cards in this Set

  • Front
  • Back
Five general qualities that all contrast media must possess.
1.Must show structure clearly.
2.Must not permanently alter the appearance of the organ.
3.Must not alter the function or physiology of the organ.
4.Must produce as little toxicity to the pt. as possible.
5.Must be eliminated unchanged.
Five Rights of Drug Administration.
1.patient
2.drug or contrast
3.amount
4.time
5.route
Four Routes of Drug Administration.
1.IV
2.IM
3.Intradurmal
4.Subcutaneous
Drug used to treat nasal, drug, food, and skin allergies.
antihistamine
Drug that prolongs blood clotting time- blood thinner.
anticoagulant
Drug used to control convulsions.
anticonvulsant
Drug that induces a calming effect, used for management of anxiety and tension.
narcotic
Drug that relieves vomiting.
antiemetic
Drug that counteracts bradycardia by increasing the heart rates - decreases secretions before surgery.
atropine
Drug that is a bronchodilator or vasoconstrictor used to stimulate heart rate. Also on E cart for acute asthmatic attacks and cardiac arrest.
epinephrine (adrenalin)
Example of antihistamine.
benadryl
Example of anticoagulant.
heparin
coumadin
Example of anticonvulsant.
dilantin
epilepsy
Example of anti-anxiety agent.
valium
vistaril
Example of narcotic.
morphine
stadol
demerol
Example of antiemetic.
phenergan
compazine
Another name for atropine.
anticholinergic
Name two antagonists.
narcan
romazicon
Used for complete or partial reversal of narcotic depression.
narcan
Used to reverse conscious sedation.
romazicon
SV general anesthetic - used for conscious sedation.
versed
SV anti-anxiety agent.
diazepam (valium)
SV anti-anxiety, also prevents nausea and vomiting.
vistaril
SV narcotic.
demerol/morphine
fentanyl
SV anti-emetic, sedative.
phenergan
compazine
SV used to induce intestinal relaxation before diagnostic imaging of bowel examinations.
glucagon
SV anti-inflammatory for steroid injections; also used as a pre-med for high allergy patients.
depo-mederol
In the composition of cells, the higher the atomic #, the ______ the _____ of tissue.
greater, opacity
Natural contrast of the body depends on what four things?
1.composition of cells
2.comp. of material in spaces
3.if cells are packed tight or loosely
4.if hollow oragans are empty or full
Definition of contrast medium.
An agent that when localized in a specific body organ, enables that area to be recorded on x-ray film.
Two forms of contrast media.
radiolucent
radiopaque
Contrast that shows as dark density on film.
radiolucent
Contrast that shows up as light density on the film.
radiopaque
Types of radiopaque media.
*iodized oils
*metallic salts/colloidal suspensions
*organic soluble iodides
Very sticky, not readily absorbed.
iodized oils
Extremely insoluble in water
Non-toxic
Includes all barium
metallic salts/colloidal suspensions
Includes all ionic and non-ionic contrast media
All IV contrast falls in this category
Reaction precautions must be taken
ALL CONTAIN IODINE
Most contrast agents are of this type
organic soluble iodides
Dissociates in solution(disconnects)
Ionic
Carries an electrical charge
Ionic
High Osmolality
Ionic
Introduced in 1954 and is still used today.
Ionic
Does NOT dissociate in solution.
Non-Ionic
Electrically neutral
Non-Ionic
Lower Osmolatlity
Non-Ionic
First introduced in 1970s. New era came in late 1980s.
Non-Ionic
Advantages of Non-Ionics
*less reactions
*less pt. discomfort
*less renal failure
Drawback of Non-Ionics
more expensive
Diatrzaote meglumine
Sodium Diatrizoate
Ionic
Iopamido
Iohexol
Iopanoic
Non-Ionic
What do ionics and non-ionics both contain?
IODINE!