Imaging Flashcards
1
Q
Which scan is sensitive to recent vascular perfusion alterations within minutes and persists for approx 3 weeks?
A
DWI - Diffusion weighted imaging
2
Q
Which scan has a higher resolution: T1 or T2?
A
T1
3
Q
Which scan maximizes the differences in tissue water content and state?
A
T2
4
Q
Vitreous and CSF is bright in what scan?
A
T2
5
Q
MRA provides excellent noninvasive information about what type of vessels?
A
large and medium size vessels.
6
Q
CTA sensitivities in detection of aneurysms of what size or stenosis great that what % are approx 95%?
A
> 3mm; 70%
7
Q
What does VEP check?
A
The integrity of the AFFERENT visual pathway; primarily a function of central visual function.
