Last reviewed: 1 Jul 2021
Last updated: 18 Jun 2021

Summary

Differentials

Common

  • Chronic kidney disease
  • Diabetic ketoacidosis/hyperosmolar hyperglycemic state
  • Drug-related decreased cellular entry or increased cellular exit of potassium
  • Potassium supplementation with underlying renal dysfunction
  • Drug-related reduced urinary potassium excretion

Uncommon

  • Acute kidney failure
  • Renal tubular acidosis
  • Metabolic acidosis
  • Congenital adrenal hyperplasia
  • Addison disease
  • Pseudohypoaldosteronism
  • Hyperkalemic periodic paralysis
  • Tumor lysis syndrome
  • Rhabdomyolysis
  • Pseudohyperkalemia
  • Ureterojejunostomy

Contributors

Authors

Sri G. Yarlagadda, MD

Associate Professor

Kidney Institute

The University of Kansas Medical Center

Kansas City

KS

Disclosures

SGY declares that she has no competing interests.

Acknowledgements

Dr Sri G. Yarlagadda would like to gratefully acknowledge Dr Domenic Sica, a previous contributor to this topic. DS declares that he has no competing interests.

Peer reviewers

Manish Suneja, MD

Assistant Professor

Department of Internal Medicine

Division of Nephrology

University of Iowa Hospital and Clinics

Iowa City

IA

Disclosures

MS declares that he has no competing interests.

Raj Thuraisingham, MBBS, MRCP, FRCP, MD

Consultant Nephrologist

Royal London Hospital

London

UK

Disclosures

RT declares that he has no competing interests.

  • Evaluation of hyperkalemia images

Use of this content is subject to our disclaimer