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Related Experiment Videos

Massive hydroxychloroquine overdose.

S Yanturali1, E Aksay, O F Demir

  • 1Department of Emergency Medicine, Dokuz Eylul University Hospital, Izmir, Turkey. sedat.yanturali@deu.edu.tr

Acta Anaesthesiologica Scandinavica
|February 26, 2004
PubMed
Summary

A young woman survived a massive hydroxychloroquine overdose, the highest reported dose, without lasting effects. Prompt medical intervention for cardiac and hemodynamic complications was crucial for her recovery.

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Area of Science:

  • Toxicology
  • Emergency Medicine
  • Cardiology

Background:

  • Hydroxychloroquine (HCQ) overdose is a serious medical emergency.
  • Massive ingestions can lead to severe cardiovascular complications.

Observation:

  • A 17-year-old female presented after ingesting 22g of hydroxychloroquine, a dose exceeding previously reported cases.
  • The patient experienced hypotension, life-threatening ventricular arrhythmias, and mild hypokalemia.

Findings:

  • The patient survived without any sequelae following aggressive management.
  • Treatment included fluid resuscitation, vasopressors, gastric decontamination, antiarrhythmics, defibrillation, and electrolyte correction.

Implications:

  • This case highlights the potential for survival even with massive hydroxychloroquine overdose.

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  • Emphasizes the importance of rapid, multidisciplinary intervention in managing severe HCQ toxicity.
  • Reinforces the critical role of cardiac monitoring and arrhythmia management in overdose scenarios.