Ocular Changes in Increased ICP Flashcards
1
Q
damage to the diencephalon
A
small reactive
2
Q
damage to III nerve (uncal)
A
dilated, fixed
3
Q
damage to the midbrain
A
midposition, fixed
4
Q
damage to the medulla
A
marked dilated, fixed
5
Q
damage to the pons
A
pinpoint
6
Q
tectal damage
A
large “fixed,” hippus
7
Q
CN III compression
A
- anisocoria
- SL or NR to light
- inability to move eye upward
- ptosis
8
Q
CN II compression
A
papilledema
9
Q
Oculocephalic Reflex (Doll’s Eye)
brainstem intact
A
eyes move opposite to head
10
Q
Oculocephalic Reflex (Doll’s Eye)
brainstem damage
A
unilateral reflex
11
Q
Oculocephalic Reflex (Doll’s Eye)
major brainstem lesion
A
no reflex