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Year 3 St Peter's Hospital Tutorials > CSF analysis > Flashcards

Flashcards in CSF analysis Deck (10)
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1

Recall a therapeutic use of lumbar puncture

Benign intracranial hypertension

2

Recall 3 symptoms of benign intracranial hypertension

Early morning headache
Neck stiffness
Vomiting

3

Compare the appearance of normal CSF, with that of CSF in the presence of bacterial, viral and TB meningitis

Normal: clear and straw-coloured
Bacterial:cloudy (from pus)
Viral: clear
TB: opaque, forms fibrin web if left to stand

4

Compare the WCC of normal CSF, with that of CSF in the presence of bacterial, viral and TB meningitis

Normal: 0-5
Bacterial: neutrophilia
Viral: leukocytosis
TB: lymphocytosis

5

Compare the protein content of normal CSF, with that of CSF in the presence of bacterial, viral and TB meningitis

Normal: 0.15-0.45
Bacterial: >50
Viral: normal
TB: >50

6

Compare the glucose level of normal CSF, with that of CSF in the presence of bacterial, viral and TB meningitis

Normal: >60% of plasma glucose
Bacterial: <40% of plasma glucose
Viral: normal
TB: <40% of plasma glucose

7

What is seen in the CSF if someone has had a subarachnoid haemorrhage?

Xanthochromia (from breakdown of blood)

8

What are oligoclonal bands indicative of in the CSF?

Multiple sclerosis

9

Which viruses are most likely to cause viral meningitis

HSV
CMV

10

Recall the WCC and protein level of CSF taken from someone with Guillain-Barre

WCC normal
Protein high