How is hypokalemia (low potassium level) defined?

Updated: Dec 06, 2018
  • Author: Eleanor Lederer, MD, FASN; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Hypokalemia is defined as a condition in which the serum potassium level is less than 3.5 mEq/L (3.5 mmol/L). [46] By far the most common causes of hypokalemia are potassium losses caused by diuretics or gastrointestinal disorders.

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