Viral meningitis laboratory findings
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Ahmed Elsaiey, MBBCH [2]
Overview
Laboratory findings
Specific tests
Specific diagnostic tests include lumbar puncture with CSF examination and CSF culture. CSF examination findings in bacterial meningitis are as follows:
| Cerebrospinal fluid level | Normal level | Viral meningitis[1] |
|---|---|---|
| Cells/ul | < 5 | >100 |
| Cells | Lymphos:Monos 7:3 | Lymphocytes>granulocytes |
| Total protein (mg/dl) | 45-60 | Normal or slightly elevated |
| Glucose ratio (CSF/plasma)[2] | > 0.5 | >0.6 |
| Lactate (mmols/l)[3] | < 2.1 | < 2.1 |
| Others | ICP:6-12 (cm H2O) | Throat swap |
References
- ↑ Negrini B, Kelleher KJ, Wald ER (2000). "Cerebrospinal fluid findings in aseptic versus bacterial meningitis". Pediatrics. 105 (2): 316–9. PMID 10654948.
- ↑ Chow E, Troy SB (2014). "The differential diagnosis of hypoglycorrhachia in adult patients". Am J Med Sci. 348 (3): 186–90. doi:10.1097/MAJ.0000000000000217. PMC 4065645. PMID 24326618.
- ↑ Leen WG, Willemsen MA, Wevers RA, Verbeek MM (2012). "Cerebrospinal fluid glucose and lactate: age-specific reference values and implications for clinical practice". PLoS One. 7 (8): e42745. doi:10.1371/journal.pone.0042745. PMC 3412827. PMID 22880096.