Login or Register to unlock everything MedSchool has to offer!
Lumbar Punctures
Lumbar Punctures
A lumbar punctures is a procedure in which a needle is used to access the subarachnoid space. This may be used to collect cerebrospinal fluid (CSF) for diagnostic purposes, or therapeutic purposes in order to deliver drugs.

Positioning for LP



  • Lateral position - patient lying in lateral decubitus with lumbar spine flush with edge of the bed and knees drawn upward toward the chest
  • Sitting position - Patient sitting up, leaning against a table in front of them (shouldn't be used to measure CSF pressure)
Last updated on January 1st, 2018