What causes hyperkalemia (high serum potassium level)?

Updated: Apr 09, 2020
  • Author: Eleanor Lederer, MD, FASN; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Answer

When hyperkalemia is discovered, investigate potential pathophysiologic mechanisms. Hyperkalemia can result from any of the following, which often occur in combination:

  • Excessive intake
  • Decreased excretion
  • A shift of potassium from the intracellular to the extracellular space

See Presentation for more detail.


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