What Is Hypokalemia?

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Definition

Hypokalemia is a lower-than-normal amount of potassium in the blood.


Alternative Names

Potassium - low; Low blood potassium


Causes, incidence, and risk factors

Potassium is needed for cells, especially nerve and muscle cells, to function properly. You get potassium through food. The kidneys remove excess potassium in the urine to keep a proper balance of the mineral in the body.

Hypokalemia is a metabolic disorder that occurs when the level of potassium in the blood drops too low.

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