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Definition of Hyperkalemia

Hyperkalemia: Elevated potassium in the blood. Hyperkalemia can be caused by taking excessive amounts of potassium, by medications, tissue trauma, and by diseases such as kidney failure. Hyperkalemia may not produce any symptoms, but severe hyperkalemia can lead to potentially fatal arrythmias of the heart.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=3837
Last Editorial Review: 3/19/2012

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