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decreased serum sodium concentration associated with loss of sodium from the circulating blood through the gastrointestinal tract, kidney, skin, or into the "third space." Accompanied by hypovolemic and hypotonic state.
Synonym(s): dilutional hyponatremia
de·ple·tion·al hy·po·na·tre·mi·a(dĕ-plēshŭn-ăl hīpō-nă-trēmē-ă)
Decreased serum sodium concentration associated with loss of sodium from circulating blood through gastrointestinal tract, kidney, or skin.