CTs Flashcards
1
Q
what is low attenuation in CTs? High attenuation?
A
low attenuation is black (air); high attenuation is white (bone/metal)
2
Q
how does CT work
A
cross sectional imaging. x ray tube rotates around patient.
3
Q
what is a CT scout view?
A
outline of where actual image will be obtained
4
Q
what kind of imaging is CT imaging?
A
multiplanar
5
Q
how does 3D CT work?
A
computer images data that is a certain density
6
Q
how does CT angiogram work?
A
intravascular iodinated contrast and use data set that is only contrast density