1-51 Imaging Flashcards
1
Q
Imaging modalities that use ionizing radiation
imaging modalities that do not
A
Ionizing radiation: particle of electromagnetic wave that has the energy necessary to remove an electron from an atom
- Radiography
- CT
- Mamography
- Angiography
- Nuclear imaging /PET
No not:
- US
- MRI
2
Q
Radiograph pros/cons
A
3
Q
CT pros/cons
A
4
Q
US pros/cons
A
Language: hyperecoic, hypoecoic, anecoic
5
Q
MRI pros/cons
A
Language: high signal: HYPERINTENSE, low signal: HYPOINTENSE
Contract utilized: Gadolinium
6
Q
Nuclear medicine
A
physicologi imaging, not anatomic
utilizes radioactive traces to diagnose and treat arious conditions
broad category with many types of tests
PET: FDG is a glucose analog, injected IV, taken up by metabollicaly active cells (brain, heart, cnancer)