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GI/GU Block Phase ll Section B
Terms in this set (24)
Contrast media must do two things...what are they?
Alter photon absorption
Be non toxic
Radiopaques -- absorption.
Radiolucent's -- photon absorption
What are the two types of contrast medias used for the digestive tract?
Water Soluble contrast agents
Barium Sulfate is mixed which 3 ways?
Weight to volume
Weight to Weight
Weight to -- is when a certain weight of barium is mixed with a predetermined amount of water to give a total volume.
Weight to -- is when a certain amount of barium sulfate is added to water to create a predetermined total weight.
-- -- is a way to mix barium sulfate that is most commonly used, uses a hydrometer to be measured, and is when barium and water are mixed to a specific gravity which is usuall 60%
Barium Sulfate is mixed to a specific gravity of -- %
-- Density Barium is commercially prepared;
An example of High Density Barium is HD -- which has a w/v ration of 225
You would use -- HD Barium when you mix barium with are for a Double Contrast study
Barium by itself in a single contrast study is also known as a -- -- study
-- is supplied in a tube and has a 100% w/v concentration.
Water Soluble contrast agents are taken -- and --
What are 3 examples of Water soluble contrast agents?
Oral Powdered Hypaque
What are the 2 indications for using water soluble contrast agents over using barium sulfate?
Using water soluble contrast agents may relieve some -- of the bowel by allowing it to distend itself.
What are the 2 contrast media retardants?
What are the 2 contrast media accelerators?
Cold Isotonic Solution
Water Soluble Mixtures
Probanthine retards -- to slow down contrast media.
Glucagon allows complete -- of the stomach and bowel by relaxing the GI Tract.
Cold Isotonic Solutions -- peristalsis when motility is not an issue.
Water Soluble Mixtures stimulate -- when motility is not an issue.
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