Diagnostic Tests and Surgical Procedures

Lumbar Puncture (or Spinal Tap)

What is the test? A lumbar puncture, also known as a spinal tap, uses a needle to remove a sample of fluid from the space surrounding the spinal cord. This fluid is known as cerebrospinal fluid (CSF). The test is used to diagnose infections, such as meningitis, and some neurological conditions. How do I prepare for the test? …

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