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Transient complete atrioventricular block associated with herb intake.

Theofilos M Kolettis1, Grigorios Oikonomou, Ioannis Novas

  • 1University of Ioannina and Preveza General Hospital, Greece. thkolet@cc.uoi.gr

Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology
|May 10, 2005
PubMed
Summary

A herbal smoking cessation aid caused temporary heart block in a 38-year-old man. This case highlights the potential dangers of unregulated herbal remedies and the need for greater awareness and regulation.

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Area of Science:

  • Cardiology
  • Pharmacology
  • Herbal Medicine

Background:

  • Cigarette smoking cessation is a major public health goal.
  • Herbal remedies are increasingly used as alternatives for smoking cessation.
  • The safety profile of many herbal products remains poorly understood.

Observation:

  • A 38-year-old male presented with transient complete atrioventricular block.
  • The patient had recently ingested a herbal mixture intended for smoking cessation.
  • Other potential causes for the heart block were systematically excluded.

Findings:

  • The herbal remedy was identified as the most probable cause of the atrioventricular block.
  • This suggests a potential cardiotoxic effect of the specific herbal mixture.

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  • The transient nature of the block indicates a reversible adverse effect.

    • Implications:

    • Patients may be unaware of the risks associated with herbal remedies.
    • There is a need for increased regulation and safety evaluation of herbal products.
    • Healthcare providers should inquire about herbal supplement use in patients with unexplained cardiac events.