Hyponatremia

Hyponatremia (British English: hyponatraemia) is when there is not enough sodium in the body (in the blood). It is mostly caused by the presence of too much water. Sodium is an essential mineral.


Causes

Hyponatremia is most often a complication of other medical illnesses in which excess water collects in the body faster than can be excreted. For instance, congestive heart failure is a syndrome of inappropriate antidiuretic hormone (SIADH) use. Some runners who drink a lot of water before running a marathon also suffer this illness.Gina Kolata: Marathoners Warned About Too Much Water (NYTimes, 20 Oct. 2005) Drinking too much water can impair the ability of marathon runners.

References

Category:Mineral deficiencies
Category:Nutrition problems
Category:Electrolyte disturbances
Category:Sodium
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Category:Wikipedia neurology articles ready to translate
Category:Wilderness medical emergencies