Papilloedema Flashcards
1
Q
what is papilloedema?
A
swelling of the optic disc secondary to raised ICP
2
Q
symptoms of papilloedema?
A
nausea
vomiting
headaches
central vision worse in the morning
3
Q
gold standard investigation?
A
MRI with gadolinium contrast
4
Q
other investigations?
A
opthalmoscopy
CT
BP
5
Q
what happens to the optic disc in chronic papilloedema?
A
becomes atrophic and pale
loss of vision
6
Q
how does increased ICP cause discs to swell?
A
increased ICP is transmitted to subarachnoid space
compresses optic nerve
causes venous congestion and interrups axoplasmic flow
leads to swollen disc
7
Q
3 components affected by ICP?
A
brain
blood CSF
8
Q
causes of idiopathic intracranial HT?
A
obesity
obstructed CSF circulation
9
Q
symptoms of idiopathic intracranial HT?
A
headache raised ICP papilloedema narrowed visual fields blurring/diplopia
10
Q
treatment of idiopathic intracranial HT
A
weight loss
acetazolamide
