emDOCs.net Emergency Medicine (EM) Podcast
Episode 92: Marine Ingested Poisons and Infections
Jan 9, 2024
Guest Alexis Koda discusses marine ingested poisons and infections, highlighting scombroid and ciguatera poisoning symptoms, different fish sources, bacterial infections treatment, and tailored treatments for vulnerable populations.
08:50
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Quick takeaways
- Scombroid poisoning from fish like tuna can cause flushing and headache, while ciguatera from toxic dinoflagellates results in GI and neuro symptoms.
- Marine skin infections are polymicrobial, requiring prophylactic antibiotics for delayed wounds and consideration of Vibrio species causing severe manifestations.
Deep dives
Marine Ingested Poisons and Infections
Scombroid is a condition resulting from ingesting improperly preserved fish like tuna or mackerel, causing symptoms such as facial flushing, severe headache, and metallic taste. On the other hand, ciguatera is caused by fish consuming toxic dinoflagellates, with barracuda being a common source. Symptoms include GI and neurologic issues, marked by temperature reversal, perioral peristhesias, and burning feet. While scombroid is treated with antihistamines, ciguatera management focuses on supportive care for neuro symptoms.
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