CSF & V Part 4

Question 1

Mechanism of hydrocephalus???

Answer 1

1- excessive production of CSF from choroid process

2- abnormal circulation of CSF
A) foramen monro blocked allow swelling of lateral ventricle and reduce brain space
Asymmetrical enlargement
B) blockage of cerebral aqueduct
* due to congenital stenosis narrowing
* tumor cancer
Symmetrical enlargement
3- drainage problem
Impaired due to problem with cerebellum cause drainage problem of lushka and magenda

Question 2

What is communicable and non communicable hydrocephalus?

Answer 2

Non communicable: CSF produced in ventricular space unable to go into subarachnoid
Vice versa

Question 3

Pressure of csf?

Answer 3

60-160 mm of csf