Neuro Imaging Flashcards
1
Q
what are the first ventricles to be affected by edema?
A
lateral
2
Q
craniotomy is needed for how big of a midline shift?
A
> 3mm
3
Q
Non-contrast CT is the gold standard for ruling out what?
A
hemorrhage
4
Q
Non-contrast CT has poor sensitivity to show early ____ changes
A
ischemic (need > 12h)
5
Q
Non-contrast CT has nearly 100% sensitivity for detecting ____
A
ICH
6
Q
what are the “3 Hs” that non-contrast CT is used for?
A
hemorrhage, herniation, hydrocephalus
7
Q
contrast CT is more sensitive to ____ and ____
A
neoplasm, infection
8
Q
contrast CT looks for things that can alter permeability of the ____
A
BBB
