Lesson 13a: Contrast Agents Flashcards
1
Q
Substance introduced to body to make areas of interest stand out
A
Contrast agent
2
Q
XRay uses
A
Barium in fluoro
3
Q
CT uses
A
Iodine
4
Q
MRI uses
A
Gadolinium
5
Q
US uses
A
Microbubbles
6
Q
Microbubbles are _ to _ microns in size
A
1-4
7
Q
Microbubbles consist of a ___ and a __
A
Shell ( albumin, galactose, lipid, or polymer)
Gas core ( air, or heavy gas like perfluorocarbon or nitrogen)
8
Q
The liver and spleen take up contrast in _ to _ mins
A
6-8 mins
9
Q
Microbubbles are strong ___
A
Reflectors
10
Q
_____-Mode can help contrast agents
A
Flash
11
Q
These three things take up contrast
A
1) liver
2) spleen
3) immune system
12
Q
Microbubbles are coated in
A
PEG
13
Q
Microbubbles burst at ___ US frequencies and ___ MI
A
Low
High
