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Sodium (Na)

SI UNITS (recommended)

CONVENTIONAL UNITS



* The SI units is the recommended method of reporting clinical laboratory results

Synonym
Na+
Units of measurement
mmol/L, mEq/L

Electrolytes are involved in most major metabolic functions in the body. Sodium, potassium and chloride are amongst the most important physiological ions and the most often assayed electrolytes. They are supplied primarily through the diet, absorbed in the gastrointestinal tract, and excreted via the kidneys.

Sodium is the major extracellular cation and functions to maintain fluid distribution and osmotic pressure. Some causes of decreased levels of sodium include prolonged vomiting or diarrhea, diminished reabsorption in the kidney and excessive fluid retention. Common causes of increased sodium include excessive fluid loss, high salt intake and increased kidney reabsorption.

Sodium measurements are used in the diagnosis and treatment of aldosteronism (excessive secretion of hormone aldosterone), diabetes insipidus, adrenal hypertension, Addison’s disease, dehydration, inappropriate antidiuretic hormone secretion, or other diseases involving electrolyte imbalance.

Lab units Conversion Calculator. Convert Sodium (Na) level to mmol/L, mEq/L . Clinical laboratory units online conversion from conventional or traditional units to Si units. Table of conversion factors for Sodium (Na) unit conversion to mmol/L, mEq/L .