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Showing posts with label lumber puncture. Show all posts
Showing posts with label lumber puncture. Show all posts

Monday, 29 November 2021

Lumber Puncture

November 29, 2021 0
Lumber Puncture

 Lumber Puncture

  • Lumber puncture also known as spinal taping.
  • a process where needle are introduce into the subarachnoid space to collect CSF.

Purpose:

  • CSF collection and analysis
  • Check CSF pressure
  • Myelography (iodine dye is injecting through LP for study of structure of spinal cord.)
  • Drug administration 
  • Spinal anesthesia

Indication

  • Lower limb surgery
  • LSCS
  • Meningitis
  • Pott's spine
  • Neuro degenerative disorder

Contraindication

Increase ICP

Procedure

1.Collect article:-

  • spinal needle:-     adult:-22 G              child:-25 G
  • 3 Sample collection vial:- cytological, viral, bacterial, or other examination.
  • Manometer:- to check the CSF pressure.
  • Betadine
  • 2% lidocaine 
  • syringe

Position

  1. Fetal attitude
  2. C shape
  3.  Lateral position with head and knee flexed inside.

Site of selection

  • Adult:-L3-L4
  • Infant:-L4-L5
  • Most Common:-L4-L5

Insert needle in subarachnoid space then connect 3 way adaptor. connect manometer and check pressure. mercury rise in manometer and constant a point that is known as CSF pressure.

  • Normal CSF pressure:-5-15 mm of Hg 
  • after sample collection dressing to the site.
  • Position:-Flat position or supine position avoid pillow under back 
  • advantage of position :- to prevent headache.
  • Most common complication after LP.
  • Amount of the sample:-6-10 ml
  • sample should be sending in lab in  1-2 hrs.
  • Temperature for store the CSF:-
  • 0-6 hrs :- Room temperature 22-24 Celsius
  • 6-24 hrs:- 4 Celsius 
  • Serological Examination:- 20 Celsius. 

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