Which factors increase potassium excretion?

Updated: Dec 06, 2018
  • Author: Eleanor Lederer, MD, FASN; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Answer

Potassium excretion is increased by the following factors:

  • Aldosterone
  • High sodium delivery to the collecting duct (eg, diuretics)
  • High urine flow (eg, osmotic diuresis)
  • High serum potassium levels
  • Delivery of negatively charged ions to the collecting duct (eg, bicarbonate)

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