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Fluoroscopy and Contrast EXAM(58 questions and answers)
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Fluoroscopy and Contrast EXAM(58 questions and answers)
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Fluoroscopy and ContrastEXAM(58 questions and
answers)
T/F: Fluoroscopy has the same densities as plain radiographs. - answer
True
Why do contrast studies usually begin with Plain Films (Scout Film)? -
answer To identify any foreign objects etc, before doing fluoroscopy.
T/F: Fluoroscopy allows for Real-Time Observations with snapshot
images. - answer True
When is a scout film taken? - answer Before contrast is added
When would you use single contrast for an esophagram? - answer
When you want to observe the lumen and evaluate for:
- Strictures - (Fixed narrowing)
- Obstruction
- Outpouching (Diverticula)
, - Masses/ Mass Effect (Abnormality bulging and pushing on normal
structures)
What contrast would you use for Single Contrast? - answer Thin barium;
It fills up the lumen and distends the lumen.
When would you use double contrast for an esophagram? - answer
When you want to observe the mucosa for mucosal abnormalities such
as:
- Ulceration
- Inflammation
- Polyps/ Masses
What contrast do you use in a double contrast study? - answer Thick
Barium and effervescent granules (air bubbles).
Together two of these provide mucosal coating.
What would you look for in a real time evaluation of an esophagram? -
answer Motility, G-E Reflux, Barium Pill.
You can physiologically see if there is reflux or which way the contrast is
moving or if there is a stricture.
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