A cost effective feature of a digital, flat panel fluoroscopic
system that positions the x-ray tube above the patient during
fluoroscopy, is that the system designs typically: Correct
Answers Use a single digital detector for both radiography and
fluoroscopy
A major distinction between digital and flat panel fluoroscopy
system designs is the position of the Correct Answers
Fluoroscopic x-ray tube
An image intensifier has an input phosphor diameter of 14
inches (35cm) and an output phosphor diameter of 1 inch
(2.5cm). It's minification gain is Correct Answers 196
Charged-coupled device (CCD) video imaging uses what type of
technology? Correct Answers Solid-state computer chip
Conventional fluoroscopic milliamperages (mA) uses what type
of Milliamperage doses for continuous fluoroscopy? Correct
Answers Low range from 0.5 to 5.0 mA
Digital flat panel detectors used for fluoroscopy are: Correct
Answers Indirect in design and use a scintillating phosphor
Digital fluoroscopic systems use Correct Answers A pulsed,
intermittent x-ray exposure sequence
Electronically, the functional unit of digital fluoroscopic
detectors is the Correct Answers Detector element (DEL)
, Fluoroscopic digital flat panel detectors electronically combine
detector elements into multiple-units through a process known
as: Correct Answers Binning
Fluoroscopic grids used for pediatric studies generally feature:
Correct Answers Lower grid ratios with carbon-fiber
interspacing
Fluoroscopic grids used with image intensified fluoroscopy:
Correct Answers Must match the size of the input phosphor
Fluoroscopic spot film images are controlled by: Correct
Answers Automatic exposure control (AEC) termination
How are decreasing the fluoroscopic field size affect the multi
field image intensifier? Correct Answers Spatial resolution
increases
How do modern fluoroscopic systems record images? Correct
Answers Digital capture technologies and processing
If the fluoroscopic image is "smearing" or lagging and its visual
display when performing a procedure using a pulsed
fluoroscopy, corrective action would include which of the
following? Correct Answers Increasing the pulse rate
Image intensifier input phosphor and photocathode surfaces are
Correct Answers Concave in shape