RADS 2030 Imaging - Ch 33 Fluoroscopy (solved& updated).

RADS 2030 Imaging -
Ch 33 Fluoroscopy
(solved& updated)
Fluoroscopy Overview - answer Used for dynamic function studies in
which diagnosis takes place during the exam


Primarily the domain of the radiologist


Early fluoroscopy timeline - answer 1896 first discovery
1907 practice emerged
1929 Wappler Fixed Room Fluoroscopy
1948 image intensifier tube invented


First fluoroscopes were handheld, dark room, primary beam directed at
radiologist's viewing hood


Radiographer guidelines - answer Assistant during fluoroscopic exams

, Post-fluoro images


Some states require distinct licensure


Fluoro is not to be used as a positioning aid


Types of equipment - answer Fluoro tube and receptor mounted on a C-
arm


2 arrangements: under-table and over-table unit


Carriage: the arms that support and move equipment


Fluoro machine specs - answer mA range 0.5-5.0 mA (diagnostic is 50-
1200)


Tube target fixed to maintain minimum SOD of 15"


Foot switch for exposure


Electrically controlled collimation shutters


Early view screen - answer Required dark adaptation