- gait abnormality
- urinary incontinence
It is caused by a defect in the absorption of CSF.
Causes include: meningitis, head injury, subarachnoid haemorrhage.
Note that there is NO headache and NO papilloedema.
- CT head (predictably) - enlarged ventricles
- large volume lumbar puncture - ? high opening pressure, ? improvement of symptoms
- lumbar infusion test
Treatment is a shunt.
Next up... gas gangrene!