DISEASE- normal pressure hydrocephalus Flashcards
1
Q
what is normal pressure hydrocephalus?
A
-a reversible cause of dementia seen in elderly people
2
Q
cause- normal pressure hydrocephalus?
A
-idiopathic
(usually in the elderly)
it is thought to be secondary to reduced CSF absorption at the arachnoid villi.
3
Q
presentation- normal pressure hydrocephalus?
A
Hakim’s triad:
· Abnormal gait
· Urinary incontinence
· Dementia
Wet, wacky and wobbly- incontinence, fall and seeing things with a normal pressure hydrocephalus
4
Q
investigations- normal pressure hydrocephalus?
A
MRI:
-enlarged lateral sulcus AKA sylvian fissue
-enlarged ventricles
normal ICP- lumbar puncture, lumbar drain test, lumbar infusion studies
5
Q
management- normal pressure hydrocephalus?
A
VP shunt
-medium low or low pressure valve
