The most common way to attain a sample is through a lumbar puncture, also known as a spinal tap.‌ Spinal taps can be unnerving or uncomfortable, but the procedure is fairly simple. During the ...
Spinal fluid test (lumbar puncture) A lumbar puncture is a test to check the ... Your child will need to lie flat for about an hour after the procedure to help prevent headaches and to help ensure the ...