Contrast Media Worksheet
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is the purpose of contrast agents used in diagnostic imaging? | show 🗑
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| Positive contrast agents increase/decrease density differences. | show 🗑
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| What are two examples of positive contrast agents and an exam where they are utilized? | show 🗑
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| show | air, carbon dioxidedouble contrst barium enema
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| Why do we not give a patient barium sulfate if there is a suspected perforation or obstruction? | show 🗑
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| show | Oral/rectal
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| show | 37; 33
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| By know what the k edge of the contrast is what information do we gain? | show 🗑
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| show | substance that can easily dissolve in water
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| w/w (weight in weight) | show 🗑
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| w/v (weight in volume) | show 🗑
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| Non-ionic, LOCA | show 🗑
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| Concentration of ions in a dissolved sutstance per unit of solvent. | show 🗑
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| number of cases of adverse occurences | show 🗑
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| death rate | show 🗑
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| Viscosity | show 🗑
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| What is the purpose of single contrast studies and double contrast studies? | show 🗑
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| show | prednisone and benadryl
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| What is the advantage of non-ioni, LOCA water soluble contrast media? | show 🗑
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| show | non-ionic low osmolarity
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| show | Creatine .6-1.5 (greater than 2.0)BUN 8-25 mg (greater than 45)
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| show | renal failure (due to creatine and BUN), allergic reaction, iodine sensitivity
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| cardiovascular changes manifested in response to a contrast medium injection and results in lightheadedness, anxiety, diaphoresis, hypotension and bradycartioa. | show 🗑
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| show | give atropine to help
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| What are four mild adverse occurences? | show 🗑
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| show | laryngeal edema, cardiac arrest, respiratory arrest, anaphylactic shock
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| show | O2, suction, crash cart
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| which drug inhibits vasovagal reactions? | show 🗑
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| show | lasix
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| show | epinephrine
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| show | valium
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| Phenergan | show 🗑
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| show | allergic reaction to contrast
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| If a water soluble contrast was unsafe for myelography what would it have to state? | show 🗑
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| show | oral, sublingual, rectal, inhalation, parenteral
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| show | intradermal, subcutaneous, intramuscular, intra-arterial, intravenous, intrathecal, subarachnoid
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| show | barium sulfate
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| Give an example of a negative contrast agent. | show 🗑
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| Extravasation | show 🗑
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Created by:
sr4095
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