CT/MRI S2 TEST 1
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| show | intravenous/intravascular
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| administration of contrast orally or rectally into the GI system | show 🗑
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| injection of contrast into the intrathecal space surrounding the spinal cord | show 🗑
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| show | intraarticular
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| show | 10
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| ct intravascular contrast increases _-_ HU | show 🗑
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| show | 2 hours
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| show | osmolality
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| show | 290
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| show | mOsm/kg
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| osmolality of conray | show 🗑
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| show | 502
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| show | HOCM (extremely worried about reaction in teh patient and dehydration)
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| osmolality of visipaque | show 🗑
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| show | osmolality has the same as blood plasma
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| what controls homeostasis in the body | show 🗑
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| the thickness or friction of a fluid as is flows | show 🗑
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| what can change the viscosity of a fluid | show 🗑
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| which has higher viscosity LOCM or HOCM | show 🗑
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| whether an agent will separate in particles or not when dissolved in a solution | show 🗑
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| composed of molecules that will disassociate into ions when in a solution | show 🗑
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| type of contrast that will not dissociate | show 🗑
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| show | gliomas, glioblastomas, astrocytomas, ependymomas, mengiomas, neuromas, trauma, infection....
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| show | chemotoxic
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| resemble allergic reactions but produce no antibodies; not "true" allergic response; they are "allergic like" reactions | show 🗑
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| show | within an hour after administration
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| show | contrast extravasation
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| what do you do if contrast extravasation happens | show 🗑
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| what size needle should be used to prevent extravasation | show 🗑
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| show | hand, wrist, foot, ankle
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| show | 5-8
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| show | 2
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| cessation of urine production | show 🗑
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| what does it mean to have known hypersensitivity | show 🗑
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| if individuals are allergic to seafood are they always allergic to iodine | show 🗑
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| show | contrast induced nephropathy
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| who is at a higher risk for CIN | show 🗑
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| show | false; technically contrast will not affect the mother negatively, but they would still be getting radiation so you must screen
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| show | can intensify thyroid toxosis
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| what are some ways to reduce contrast reactions | show 🗑
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| show | bright
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| show | dark
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| contraindications to giving barium sulfate | show 🗑
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| show | diarrhea, impaction, abdominal cramping, barium granuloma, barium appendicitis, perforation
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| oral iodinated contrast should be used when | show 🗑
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| show | water
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| show | 1-4 hours
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| if the patient has had to wait after having intrathecal contrast what should you do | show 🗑
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| show | hip, shoulder, wrist
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| for intraarticular contrast it is injected to better visualize what | show 🗑
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| show | 3
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| show | venous phase
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| show | venous (nonequillibrium)
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| show | arterial (blus)
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| HU units of less than 10 is what phase | show 🗑
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| what should you give a patient that has a known allergy of contrast | show 🗑
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| what medication are we concerned about with diabetic pts | show 🗑
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| which contrast can cause diarrhea, abdominal pain, and flatulence | show 🗑
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| how long should a generally take for contrast to leave the body | show 🗑
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| show | gadolinium & hepatocyte-directed contrast agents
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| show | reticuloendothelial agents & iron oxide agents
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| show | T1 bright; T2 dark
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| show | a heavy metal, is not organ specific, clears from the body rapidly
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| show | 1.25-1.6 hours
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| what is the standard dose for gadolinium | show 🗑
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| what is the max gadolinium a pt can get | show 🗑
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| what are the contraindications / precautions when administering gadolinium | show 🗑
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| show | headaches, dizziness, urticaria, injection site warmth/coldness, increase in bilirubin and blood iron, death
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| how long does gado elevated bilirubin and how long after having it should you wait to get the labs | show 🗑
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| show | they are organ specific, can detect smaller liver lesions, and detect metastases
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| show | when it remains in the body for longer then the normal time
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| the number one used t1 contrast agent | show 🗑
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| t2 weighted contrast; reticuloenthdothelial agents apear | show 🗑
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| can you inject retculentnothelial in a pressure injector | show 🗑
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| show | super-paramegnetic agent
general name = feridx
liver agent
known to cause groin and back pain
if pt cannot have iron DO NOT GIVE
20 min injection
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| feridex is taken up by | show 🗑
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| why do you typically not do colon studies in MRI | show 🗑
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| show | decreases t1 times or majorly decreases t2 times
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| show | decreases t1 times and t2 times
very safe
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