Hydrocephalus

Question 0

CSF origin and endpoint

Answer 0

Made by Ependymal cells of choroid plexus
Reabsorbed by arachnoid granulations
Drained into dural venous sinuses

Question 1

Communicating hydrocephalus

Answer 1

Decrease CSF absorption
Increase ICP,
papilledema,
herniation

Question 2

CSF pathway

Answer 2

Lateral ventricles 
For amen of monro
3rd ventricle
Cerebral aqueduct
4th ventricle
Foramen of luschka 
Foramen of magendie

Question 3

Noncommunicating hydrocephalus

Answer 3

Due to blockage of CSF within ventriclar system
Increased ICP
Herniation
Papilledema

Question 4

Normal pressure hydrocephalus

Answer 4

Due to expansion of ventricles
Wet, wobbly, wacky
Urinary incontinence, ataxia, dementia

Question 5

hydrocephalus ex vacuo

Answer 5

Normal ICP

Due to brain atrophy