Types Of Radiology Flashcards
1
Q
Pros of X-rays
A
Quick
Low radiation dose
No prep needed
2
Q
Cons of X-ray
A
Limited Interpretation
CT taken over
3
Q
4 densities in radiology
A
Bone
Fat
Soft tissue
Air
4
Q
Why do abdo X-ray
A
Bowel obstruction
Bowel perforation
Calculus (not as much anymore)
5
Q
CT pros
A
Good standard of acute abdo imaging
Quick readily available
6
Q
CT cons
A
Radiation higher than X-rays
Can be hindered by artifact
People need to remain still
7
Q
USS pros
A
No radiation- good for pregnant and children
Works in megahertz - higher than hearing level
8
Q
US mechanism
A
Electric transduce into vibrations from crystals
Sound waves- no radiation
When dense then reflected back (solid/fluid)
So comes back to probe and converted back to electrical
9
Q
Why use us gel?
A
Air reflects more than gel so can’t see behind it
