or hypoglycemia. A glucose level
of less than one third of blood
glucose levels in association with low CSF lactate levels is typical in hereditary CSF glucose transporter deficiency also know as De Vivo disease.
Increased glucose levels in the fluid can indicate diabetes, although the 60% rule still applies.
Increased levels of glutamine are often involved with hepatic encephalopathies, Reye's syndrome, hepatic coma, cirrhosis and hypercapnia.