Sodium: Difference between revisions

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-<section begin="clinical biochemistry" />'''Sodium''' is an abundant electrolyte in the body, and sodium ion (Na+) is the dominant ion in the extracellular space. 65% of sodium is in the extracellular space. Abnormally low or high sodium ([[hyponatraemia]] and [[hypernatraemia]], respectively), are  common but potentially lethal disorders in the worst case.<section end="clinical biochemistry" />
+<section begin="clinical biochemistry" />'''Sodium''' is an abundant electrolyte in the body, and sodium ion (Na+) is the dominant ion in the extracellular space. 65% of sodium is in the extracellular space. The main clinical function of sodium is to maintain osmolality.
+Abnormally low or high sodium ([[hyponatraemia]] and [[hypernatraemia]], respectively), are common but potentially lethal disorders in the worst case.<section end="clinical biochemistry" />
 <section begin="clinical biochemistry" />
-{{Infobox medical condition
+== Reference ranges ==
-| name = Reference ranges
+{| class="wikitable"
-| definition = f
+!'''Parameter'''
-| sodium =
+!'''Sample'''
-| Sodium = 136 - 146 mmol/L
+!'''Reference range'''
-| Urine osmolality = 275 – 305 mOsmol/kg
+|-
-| Serum osmolality = 275 – 305 mOsmol/kg
+|Sodium
-}}
+|Serum
+|136 – 146 mM
+|-
+|Osmolality
+|Serum
+|275 – 305 mOsmol/kg
+|-
+|Osmolality
+|Urine
+|50 – 1400 mOsmol/kg
+|}
 == Sodium in the body ==