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Related Experiment Videos

Tetrodotoxin poisoning.

Chorng-Kuang How1, Chii-Hwa Chern, Yin-Chieh Huang

  • 1Chiayi Veteans Hospital, the dagger Emergency Department, Veterans General Hospital-Taipei, National Yang-Ming University, Taipei, Taiwan, R.O.C.

The American Journal of Emergency Medicine
|February 4, 2003
PubMed
Summary
This summary is machine-generated.

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Tetrodotoxin (TTX) poisoning from puffer fish can cause severe symptoms, including respiratory failure. Prompt supportive care, especially ventilatory support, is crucial for survival and favorable outcomes in TTX poisoning cases.

Area of Science:

  • Toxicology
  • Emergency Medicine
  • Marine Biology

Background:

  • Tetrodotoxin (TTX) poisoning is uncommon globally but endemic in East Asia.
  • Puffer fish consumption is a primary source of TTX poisoning.
  • Limited case reports exist in emergency medicine literature, particularly in the US.

Observation:

  • An outbreak of six cases of TTX poisoning occurred among fishermen after consuming puffer fish.
  • Symptoms included orolingual numbness, paresthesia, and breathlessness, with onset 2-20 hours post-ingestion.
  • One patient experienced cardiac arrest and died from intractable bradycardia; others showed neurological and cardiopulmonary manifestations.

Findings:

  • Most patients survived with supportive care, including respiratory support for those with hypoventilation.

Related Experiment Videos

  • Acid-base abnormalities were inconsistent with illness severity, with common mild hypercapnia.
  • Complete atrioventricular block was a rare, fatal complication in one case.

    • Implications:

    • Aggressive supportive treatment, particularly prehospital and emergency department ventilatory support, is vital for managing TTX poisoning.
    • Intensive monitoring for at least 24 hours is necessary due to unpredictable symptom onset and progression.
    • Early and appropriate respiratory management significantly improves patient outcomes in Tetrodotoxin poisoning.