Lab

CSF Glucose

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CSF Glucose, Cerebrospinal Fluid Glucose, Hypoglycorrhachia

  • See Also
  1. Cerebrospinal Fluid
  2. Lumbar Puncture
  • Interpretation
  • Increased CSF Glucose
  1. Reflects serum Hyperglycemia
  2. CSF Glucose lags Serum Glucose by 2 to 4 hours
  3. CSF Glucose is two thirds of Serum Glucose
  4. CSF Glucose does not usually rise above 300 mg/dl
  • Interpretation
  • Decreased CSF Glucose (Hypoglycorrhachia)
  1. Hypoglycemia
  2. Granulomatous process
    1. Bacterial Tuberculosis
    2. Sarcoidosis
  3. Chemical Meningitis
  4. Bacterial Meningitis (protein normal in 50% of cases)
  5. Fungal Meningitis
  6. Subarachnoid Hemorrhage
  7. Neoplasm
  8. Certain CNS viral infections
    1. Herpes Simplex Virus
    2. Mumps
    3. Lymphocytic choriomeningitis
  • References
  1. Kooiker in Roberts (1998) Procedures in ER, p. 1067-75
  2. Ravel (1995) Lab Medicine, Mosby, p. 294-9
  3. Tunkel in Mandell (2000) Infectious Disease, p. 974-8
  4. Seehusen (2003) Am Fam Physician 68:1103-8 [PubMed]