csf

1. CSF examinationCSF examination

2. CollectionCollection
►Between L4 and L5Between L4 and L5
►After injecting local anesthesia with asepticAfter injecting local anesthesia with aseptic
precautionprecaution

3. ApparatusApparatus
1.1. Needles – 25G & 21GNeedles – 25G & 21G
2.2. 10 ml syringe10 ml syringe
3.3. Lignocaine 2%Lignocaine 2%
4.4. Cleaning solution – betadineCleaning solution – betadine
5.5. 6 sterile specimen pots6 sterile specimen pots

4. CautionsCautions
►Fliud removal can be dangerous becauseFliud removal can be dangerous because
the brain stem can herniatethe brain stem can herniate
►Blood levels for specific substances shouldBlood levels for specific substances should
always be measured simultaneously ..foralways be measured simultaneously ..for
meaningful interpretation of resultsmeaningful interpretation of results
►Before Lumbar puncture check retina forBefore Lumbar puncture check retina for
evidence of paplloedemaevidence of paplloedema  because itsbecause its
presence may signal potential problems orpresence may signal potential problems or
complications of LPcomplications of LP

5. ProcedureProcedure
►Spinal tapSpinal tap

6. Normal valuesNormal values