Description
Why It’s Done:
This test is most commonly used to:
• Diagnose bacterial meningitis caused by Haemophilus influenzae type B, especially in infants and young children.
• Support early detection and treatment of life-threatening central nervous system (CNS) infections.
• Provide diagnostic assistance when CSF or blood cultures are negative but clinical suspicion remains high.
• Distinguish Hib infections from other types of meningitis caused by different pathogens.
Hib meningitis is a medical emergency, and rapid identification through antigen testing can be critical for timely treatment.
Preparation:
Since this test is done on CSF obtained by lumbar puncture, preparation involves the following:
1. Pre-Test Guidelines:
o No special dietary restrictions are needed.
o A physical examination and neurological assessment are usually performed prior to the lumbar puncture.
2. Before the Procedure:
o Inform your healthcare provider of any bleeding disorders or medications such as blood thinners.
o Ensure proper hydration unless advised otherwise.
o Consent will be required for the lumbar puncture procedure.
3. During Sample Collection:
o A lumbar puncture (spinal tap) will be performed by a healthcare provider under sterile conditions to collect CSF.
4. Post-Test Care:
o The patient may need to lie flat for a few hours to reduce the risk of post-lumbar puncture headache.
o Keep the puncture site clean and dry


