Which mechanisms may increase renal potassium losses?

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

The most common mechanisms leading to increased renal potassium losses include the following:

  • Enhanced sodium delivery to the collecting duct, as with diuretics
  • Mineralocorticoid excess, as with primary or secondary hyperaldosteronism
  • Increased urine flow, as with an osmotic diuresis

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