How should IV potassium be administered to patients with hypokalemia (low potassium level)?

Updated: Dec 06, 2018
  • Author: Eleanor Lederer, MD, FASN; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Intravenous potassium, which is less well tolerated because it can be highly irritating to veins, can be given only in relatively small doses, generally 10 mEq/h. Under close cardiac supervision in emergent circumstances, as much as 40 mEq/h can be administered through a central line. Oral and parenteral potassium can safely be used simultaneously.

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