Lumbar Puncture
Self-assessment questions
Question 1
The imaginary line connecting
the posterior superior iliac crests crosses what spinal interspace?
L1-L2
| |
L2-L3
| |
L3-L4
| |
L4-L5
| |
L5-S1
|
Question 2
Which of the following
patients does not need a CT-scan prior to lumbar puncture?
A well patient with
new onset right arm weakness | |
A known cancer patient
with headache and new onset right arm weakness | |
An acute trauma
patient with headache and bilateral leg weakness | |
A twelve year old boy
with normal exam but fever and nuchal rigidity |
Question 3
If bony resistance is
encountered while performing a lumbar puncture, bring the spinal needle
back to the skin and direct it more towards the:
Right | |
Feet
| |
Parallel plane of the back
| |
Head
|