unit 4 Flashcards
if a contrast agent does not readily react with other chemicals or medications, it is said that the contrast agent is
inert
how likely is it for your patient to have a mild contrast reaction
1 in 100,000
how likely is it for your patient to have a moderate contrast reaction
1 in 500,000
how likely is it for your patient to have a severe contrast reaction
very unlikely
elicits minimal adverse effects in the body
non - toxic contrast agent
T/F: a stable contrast agent does not break down in the body
true
what following symptoms would cause you to stop injecting contrast immediately
laryngeal edema
dizziness
hives
bronchospasm
contrast types used in ultrasound
micro-bubbles
CT,IR and XR use what contrast agents
air
iodine
barium
water
contrast types used in MRI
gadolinium
manganese
iron
pruritus, scattered urticaria, rhinorrhea, & brief retching are what contrast reaction symptoms
mild contrast reaction
facial edema, diffuse urticaria, mild laryngeal edema, persistent vomiting are what contrast reaction symptoms
moderate contrast reaction
list the severe contrast reaction symptoms
pulmonary edema
hypotension
seizures
life threatening arrhythmias
diaphoresis
sweating
urticaria
hives
laryngeal edema
throat swelling
rhinorrhea
runny nose
pruritus
itching
what are the ABC’s you assess on a patient with a contrast reaction
airways
breathing
circulation
you are an MRI technologist and inject the patient with a gadolinium nanoparticle for their exam , you notice the most pronounced effect on what aspect of your images
contrast resolution
