Show:
FUNCTIONS & MACHINE STRUCTURES
EXAMS AND STUDIES
BASIC PRINCIPALS AND KNOWLEDGE
TOOLS & INSTRUMENTS
EXAM PICTURES
100
What is the primary function of a fluoroscope?
Provides real time viewing of anatomic structures and fluids.
100
A spot film can interrupt the examination? True or false
False
100
What has fluoroscopy done for radiology?
Enhanced performance, results, exams.
100
What is most commonly used in fluoroscopy to highlight anatomy being viewed?
Contrast media
100
show fluoroscopy pictures for 100
upper GI
200
Where is the fluoroscopy tube usually mounted?
under the patient table.
200
What is spot film image?
small static film on a small image receptor.
200
Who invented the fluoroscope and what year?
Thomas Edison in 1896
200
What is one of the two methods used to couple the television camera tube to the image?
Fiber optics and lens coupling.
200
200 show picture
cystogram
300
What is Vidicon stand for?
Television Camera Tube that is most often used in T.V. fluoroscopy.
300
What is angiography and two main areas of it?
Visualization of vessels; neuroradiology and vascular radiology or interventional radiology.
300
Why is the radiation dose to Patient higher in fluoroscopy than during radiographic examinations?
Because the patient is constantly being exposed to the x-ray beam for a longer time.
300
Video monitoring uses a rate of how many frames per second?
30 frames per second
300
show picture 300
swallowing study
400
Digital fluoroscopy interrogation and extinction times must be less than?
1 millisecond
400
What is the initial image taken in DSA called?
Mask image
400
What does DSA stand for?
Digital Subtraction Angiography
400
Pixel size limits what?
Spatial resolution.
400
show picture 400
Barium Enema
500
What does FPIR stand for?
Flat panel image receptor
500
In digital fluoroscopy the patient dose is increased/decreased by the use of a CCD (charge-coupled device)?
decreased
500
What does CCD stand for?
Charge-Coupled Device
500
Pulse-progressive fluoroscopy prevents the x-ray tube from what?
thermal overload, overheating, or high patient radiation dose
500
show picture 500
myelogram