17.5 - Trauma to the CNS Flashcards
1
Q
an epidural hematoma is _______ shaped
A
lens
2
Q
a subdural hematoma is ___________ shaped
A
crescent
3
Q
a subfalcine herniation involves displacement of the ____________ gyrus under the __________
A
- cingulate
- falx cerebri
4
Q
and uncal herniation can cause damage to what 3 structures / areas?
A
- CN III
- PCA
- rupture of paramedian artery
5
Q
what is the result of a CN III due to an uncal herniation?
A
- dilated pupil
- down and out gaze
6
Q
what is the result of PCA compression from an uncal herniation?
A
contralateral homonymous hemianopsia
7
Q
what is the result of a paramedian artery rupture from an uncal herniation?
A
duret (brainstem) hemorrhage
