Fluoroscopy New Update EXAM Questions with
100% Correct Answers
Advantages of DF over conventional is
speed of acquisition & post processing.
Digital includes at least
2 monitors.
Postprocesssing options include digital subtraction,
window leveling, width & edge enhancement.
Last image hold -LIH is not considered a postprocessing option,
it is simply the ability to save the last image seen on the monitor as an image.
Matrix- the rows & lines that make up a grid of an image.
Pixel is one box in a matrix.
1024 × 1024 is also known as
a 1000 line system.
Spatial resolution is determined by
image matrix & size of image intensifier & is limited by pixel size.
Pixel size formula
image intensifier size ÷ by matrix.
DF can use an
, image intensifier or a flat panel image receptor.
Operating console include:
1. Right module
2. Left monitor
3. Tube current
4. Interrogation Time
5. Extinction Time
6. Duty Cycle
7. Image gently / Image wisely
Right module
enter alphanumeric & special function keys for data acquisition & image display; enter & edit
patient & exam information; add annotation.
Left monitor
display images including subtracted images.
Tube current
during DF, x-ray tube operates in radiographic mode-hundreds of mA; heat not a concern due to
pulse-progressive fluoroscopy.
Pulse progressive fluoro
pulses the x-ray production in synch with the detector signal.
Pulses are acquired each 33 ms for a single view frame.
100% Correct Answers
Advantages of DF over conventional is
speed of acquisition & post processing.
Digital includes at least
2 monitors.
Postprocesssing options include digital subtraction,
window leveling, width & edge enhancement.
Last image hold -LIH is not considered a postprocessing option,
it is simply the ability to save the last image seen on the monitor as an image.
Matrix- the rows & lines that make up a grid of an image.
Pixel is one box in a matrix.
1024 × 1024 is also known as
a 1000 line system.
Spatial resolution is determined by
image matrix & size of image intensifier & is limited by pixel size.
Pixel size formula
image intensifier size ÷ by matrix.
DF can use an
, image intensifier or a flat panel image receptor.
Operating console include:
1. Right module
2. Left monitor
3. Tube current
4. Interrogation Time
5. Extinction Time
6. Duty Cycle
7. Image gently / Image wisely
Right module
enter alphanumeric & special function keys for data acquisition & image display; enter & edit
patient & exam information; add annotation.
Left monitor
display images including subtracted images.
Tube current
during DF, x-ray tube operates in radiographic mode-hundreds of mA; heat not a concern due to
pulse-progressive fluoroscopy.
Pulse progressive fluoro
pulses the x-ray production in synch with the detector signal.
Pulses are acquired each 33 ms for a single view frame.
