Test 4 Contrast Media Flashcards
The oldest form of contrast that ionizes in a solution and has an increased risk of reaction.
HOCM
High-Osmolar Contrast Media
Nonionic form of contrast that dissolves in water, but does not dissociate.
LOCM
Low-Osmolar Contrast Media
Between HOCM and LOCM, which is a patient more likely to have a reaction to?
HOCM
The newest form of Contrast media, nonionic. 2 Benzene rings
IOCM
Iso-Osmolar Contrast Media
As viscosity decreases, toxicity…
Decreases
Amount of time contrast should be excreted from the body.
2 hours
Name severe signs and symptoms of an allergic reaction to iodinated contrast.
Laryngeal edema Hypotension Shock Unresponsiveness Convulsions Cardiac Arrest Respiratory Arrest Arrhythmia
A severe hypersensitivity reaction seen with bee stings, latex, and food allergies.
Anaphylactic Shock
A severe hypersensitivity, that may occur after a single exposure, usually to iodinated contrast media.
Anaphylactoid Shock
Names of drugs that should be available to patients experiencing an anaphylactoid reaction.
Albuterol Atropine Benadryl Epinephrin Diazepam Nitroglycerin
In contrast media, the closer the number is to (blank) the better.
*List number and reference
290, number for plasma
The normal limits for an adult BUN
Blood, urea, nitrogen
6-20 mg/dL
Normal limits for an adult creatinine
0.6-1.3 mg/dL
What information is a BUN providing?
Hydration status of a patient, not an indicator of function.
What information is a creatinine reading providing?
Renal function
Normal limits of an adult GFR
60+
Inflammation from contrast extravasation reaches its peak within how many hours?
24-48 hours
Remember your A,B,C’s
Airway, Breathing, Circulation
Ductless endocrine glands that secrete epinephrine and cortical hormones.
Suprarenal or adrenal glands
Signs and symptoms of infiltration..
Pain Swelling Erythema Ulceration Necrosis Decreased capillary refill Temperature/color changes distal to site
How long should a patient withhold metformin or glygogayne after administering contrast?
48 hours
Bean shaped organ divided into upper and lower poles.
Kidney
This kidney is slightly lower than the other.
Right
This kidney is slightly longer and narrower than the other.
Left