Flashcards in Session 2 - Group Work Deck (8)
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1
? What are the normal consituents of CSF
<5 lymphocytes
0.15 - 0.45g/l - protein
glucose - 2.8 - 4.2 (60-80% normal)
no organisms
Clear and colourless
2
Give meningitis CSF
90 - 1000 polymorphs
>1.5g - protein (exudate)
ve streptococcus)
Cloudy and turbid
3
Viral meninigitis
50 - 1000 mononuclear
1/2 plasma glucose
No organisms
Usually clear
4
Tuberculous meningitis
10 - 1000 mononuclear
1-5g/l protein
<1/2 plasma glucose
often no organisms seen on smear
Fibrin web
5
What is a communicating hydrocephalus?
Problem lies outside of ventricular system - There is communication between the ventricles and subarachnoid space.
6
Give two causes of communicating hydrocephalus
Reduced reabsorption by dural venous sinuses (thickening of meninges due to infection/subarachnoid haemorrhage)
Increased production (Choroid plexus papilloma)
7
What is a non-communicating hydrocephalus?
Flow of ventricles to sub arachnoid space impinged
8
