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Hyponatremia
Low concentrations of sodium in the blood.
Subnormal serum sodium, often due to water excess relative to sodium. Severe cases can cause confusion, seizures, and cerebral edema.
How one textbook covers it
Advanced Nutrition and Human Metabolism, 8th ed. (Gropper) — Glossary
Subnormal serum sodium, often due to water excess relative to sodium. Severe cases can cause confusion, seizures, and cerebral edema.
Related terms
Natriuresis