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Ciguatera Poisoning.pptx

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Tahzib Dihan
Tahzib Dihan

This PPT is about a short description about marine-fish Ciguatera & it's poisoning effects.

Education
1 of 10
Ciguatera Poisoning By Tahzib Dihan
Introduction This syndrome is contracted from the ingestion of any one of over 300 fish species (barracuda, grouper, sea bass, etc.) that feed on herbivorous or reef fishes, which in turn feed on phytoplankton, especially the dinoflagellates.
Sources
Causative agents Ciguatera fish poisoning (or ciguatera) is an illness caused by eating fish that contain toxins produced by a marine microalgae called Gambierdiscus toxicus. It produces ciguatoxin. This toxin is concentrated more in fish organs such as the liver than in muscle tissue.
Mechanism of Action
Signs & Symptoms Upon ingestion of toxic fish, symptoms occur within 3-6 hours (about the same as for staphylococcal food poisoning), and consist of nausea and paresthesia about the mouth, tongue, and throat. In general, the symptoms are quite similar to those for paralytic shellfish poisoning. Respiratory paralysis is the consequence in the absence of appropriate therapy.
outbreaks For the years 1983-1992, 129 outbreaks were reported to the CDC involving 508 persons with no deaths.13 An outbreak in Texas in 1997 involved 17 crew members of a cargo ship, and the vehicle food was barracuda.
Treatment Treatments include:
Prevention
Overall conclusion

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Ciguatera Poisoning.pptx

  • 2. Introduction This syndrome is contracted from the ingestion of any one of over 300 fish species (barracuda, grouper, sea bass, etc.) that feed on herbivorous or reef fishes, which in turn feed on phytoplankton, especially the dinoflagellates.
  • 4. Causative agents Ciguatera fish poisoning (or ciguatera) is an illness caused by eating fish that contain toxins produced by a marine microalgae called Gambierdiscus toxicus. It produces ciguatoxin. This toxin is concentrated more in fish organs such as the liver than in muscle tissue.
  • 6. Signs & Symptoms Upon ingestion of toxic fish, symptoms occur within 3-6 hours (about the same as for staphylococcal food poisoning), and consist of nausea and paresthesia about the mouth, tongue, and throat. In general, the symptoms are quite similar to those for paralytic shellfish poisoning. Respiratory paralysis is the consequence in the absence of appropriate therapy.
  • 7. outbreaks For the years 1983-1992, 129 outbreaks were reported to the CDC involving 508 persons with no deaths.13 An outbreak in Texas in 1997 involved 17 crew members of a cargo ship, and the vehicle food was barracuda.