papilloedema Flashcards
1
Q
what is the definition of papilloedema?
A
bilateral optic disc swelling secondary to raised intracranial pressure (ICP)
not any other cause or unilateral
2
Q
what are the functions of the CSF?
A
Maintains stable extracellular environment for the brain
Buoyancy
Provides mechanical protection
Waste removal
Nutrition
3
Q
what are some CSF related causes of raised ICP?
A
Obstruction to CSF circulation eg due to congenital malformation
Overproduction of CSF eg due to choroid plexus tumour
Inadequate absorption eg due to subarachnoid haemorrhage
4
Q
what happens if disc swelling become chronic?
A
Disc swelling subsides, discs become atrophic and pale.
Loss of visual function occurs and blindness may result
