CT and MRI Flashcards
1
Q
What are the main advantages of CT/MRI?
A
Contrast Resolution
Tomographic imaging
2
Q
Tomographic
A
Images are slices of patient
“Bread loafing” the patient
3
Q
Computed Tomography
A
images created from digital information
4
Q
Helical mode
A
continuous table and x-ray tube movement allows faster scanning
5
Q
Medical contrast medium
A
a substance used to enhance the contrast of structures or fluids within the body in medical imagin
6
Q
What is Medical contrast medium used for?
A
enhance the visibility of blood vessels, vascular leaks, and the GI tract
7
Q
T1
A
Protons in fat
8
Q
T2
A
Protons in free water, tissue water, and fat
9
Q
FLAIR
A
Fluid Attenuated Inversion Recovery - Protons in tissue water
10
Q
STIR
A
Short Tau Inversion Recovery - Nulls signal from fat
11
Q
Proton density
A
All protons
