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Related Experiment Videos

Heparin-induced life-threatening hyperkalemia.

Giuseppe Gheno1, Carmelo Savarino, Sandro Vellar

  • 1Departimento di Medicina Interna, Ospedale Civile di Asiago, ASL 3 Regione Veneto di Bassano del Grappa (VI). giuseppe.gheno@tin.it

Annali Italiani Di Medicina Interna : Organo Ufficiale Della Societa Italiana Di Medicina Interna
|April 27, 2002
PubMed
Summary

Heparin can cause dangerous hyperkalemia (high potassium), leading to heart rhythm problems. This underrecognized side effect requires careful patient monitoring and risk assessment during heparin treatment.

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Area of Science:

  • Nephrology
  • Cardiology
  • Pharmacology

Background:

  • Hyperkalemia is a serious clinical condition with various causes.
  • Heparin is a widely used anticoagulant with known side effects.
  • Heparin-induced hyperkalemia is a less recognized but potentially severe adverse event.

Observation:

  • This study reports two cases of life-threatening bradyarrhythmia linked to heparin therapy.
  • These cases highlight the clinical relevance of heparin-induced hyperkalemia.

Findings:

  • Heparin-induced hyperkalemia is caused by an enzymatic block in aldosterone synthesis.
  • Severe hyperkalemia often occurs when other factors affecting potassium balance are present.
  • The frequency of this adverse effect may be higher than commonly believed.

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Implications:

  • Healthcare providers should be aware of heparin-induced hyperkalemia as a potential complication.
  • Stratification and monitoring of patients receiving heparin are crucial based on identified risk factors.
  • Early recognition and management can prevent serious cardiac events associated with hyperkalemia.