normal pressure hydrocephalus

Question 1

cause of normal pressure hydrocephalus

Answer 1

secondary to reduced CSF absorption at the arachnoid villi
- may be secondary to head injury, subarachnoid haemorrhage or meningitis

Question 2

classical triad of features seen in normal pressure hydrocephalus

Answer 2

urinary incontinence
dementia and bradyphrenia (slowness of thought)
gait abnormality

Question 3

results on CT of normal pressure hydrocephalus

Answer 3

ventriculomegaly in the absence of, or out of proportion to sulcal enlargement

Question 4

management of normal pressure hydrocephalus

Answer 4

ventriculoperitoneal shunt
- may develop complications