Xray Four Biggies
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Name the 4 biggies of Radiographic quality
Density is controlled by what?
If the xray is to light what would you do to darken it and by how much?
Change the mAs by double
If the xray is to dark what would you do to lighten it?
Cut the mAs by half
What controls the shades of gray?
How do you narrow the scale of contrast?
Dercrease the kV and double the mAs
How do you broaden the scale of contrast (produce more grays)?
Increase the kV and cut the mAs in half
What is the benefit of lower mAs?
How do you control Definition(clarity /detail)
Check the list of 7 ways (grids, collimation, motion, film & screens, fog, focal spot, and ofd)
What causes distortion (image not reflecting the anatomy)
Which way do you position a patient with scoliosis?
With the convixity side to the film
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