A lumbar puncture, commonly known as a spinal tap, is a diagnostic procedure used to collect cerebrospinal fluid (CSF) from the space around the spinal cord. This test helps diagnose conditions affecting the brain and spinal cord, such as meningitis, multiple sclerosis, and bleeding in the brain.
Indications for Lumbar Puncture:
● Headache and fever: If you have unexplained headache, fever, and neck stiffness, this test may be necessary to rule out meningitis.
● Unexplained neurological symptoms: Symptoms like vision problems, weakness, confusion, or seizures may indicate conditions like multiple sclerosis or brain infections, which can be diagnosed with this procedure.
● Infection or inflammation: If there is suspicion of viral infections, bacterial meningitis, or inflammation of the brain, a lumbar puncture can help identify the underlying cause.
How Lumbar Puncture Works:
● Under local anesthesia, a needle is inserted into the lower back (lumbar region) to access the space around the spinal cord. A small amount of cerebrospinal fluid is collected for analysis in a laboratory.
Normal Range:
● Cerebrospinal fluid should be clear and colorless, with normal levels of glucose, protein, and white blood cells.
Abnormal Test Significance:
● Elevated white blood cells: Suggests infection or inflammation in the brain or spinal cord, such as meningitis or encephalitis.
● Elevated protein levels: Can indicate multiple sclerosis, cancer, or spinal cord damage.
● Low glucose levels: May indicate bacterial meningitis or other infections.
Management Based on Results:
● For infections: If meningitis is diagnosed, antibiotics or antiviral medications are prescribed based on the underlying infection.
● For inflammation: Conditions like multiple sclerosis may require immune-modulating treatments.
FAQs
Is lumbar puncture painful?
The procedure is typically performed under local anesthesia, so you may feel pressure but not pain during the procedure.
How long does it take to recover?
Most people recover within 24–48 hours after the procedure, although some may experience mild headache or discomfort.
Disclaimer: Lumbar puncture is a valuable diagnostic tool, but it carries risks such as headaches or infection if not done under sterile conditions.
How HealthPil Can Help:
At HealthPil, we connect you with neurologists who can evaluate your lumbar puncture results, provide a diagnosis, and recommend treatments based on your neurological health.