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AP 2 Book

Lecture 2 Fluoroscopy - Exam study

QuestionAnswer
Method that provides real time x-ray imaging especially useful for guiding a variey of diagnostic and interventional procedures Fluoroscopy
The fluoroscopy tube is located where? under the table
Allows low intensity x-rays to be converted to a visible light output when the x-ray beam hits the input phosphor Image Intensifier
Images in digital fluoroscopy that are recorded in rapid succession (four per second) and displayed as moving images (esophogram or barium swallow) is called? Cine Loop
The biggest difference between digital Spot images and Overhead images is what? The x-ray tube for Spot imaging is under the table
When taking Spot images, the anatomical structure ______ to the Image Intensifier will be best demonstrated. Closest
If the patient is lying supine on the table and an image is taken with the Overhead X-ray Tube, it will be an _______ Projection Anteroposterior (AP)
If the patient is lying supine on the table and a Spot image is taken, it will be a ______ Projection Posteroanterior (PA)
3 basic priniciples of ALARA: Time, distance, and shielding
Reducing the amount of fluoroscopy time during a fluoroscopy procedure is primarily under ______ control Radiologist
The most effective method of reducing dose during a fluoroscopic procedure? Increase the distance from the x-ray tube (inverse square law)
A protective lead apron and thyroid shield must be an equivalent of at least _____ - mm of lead (Pb) 0.5
Where is the dosimeter worn during a fluoroscopy procedure? outside of the apron at the collar level
Lead gloves should be a minimum of _____ mm lead (Pb) equivalency 0.25
The primary source of scatter radiation to the Radiologist and Technologist during the Fluoroscopic examination? The patient
Where is the bucky tray positioned during fluoroscopy to avoid interference with the path of the fluoro x-ray tube under the table at the foot end of the table
The bucky slot shielding device protects the Radiologist and Technologist at the _______ level. Gonadal level
The highest energy of scatter radiation occurs at a ____-degree angle to the incident beam 90
Where should the technologist stand during a fluoroscopy procedure for the greatest level of protection? Behind the Radiologist
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