Cone shell envenomation
Background
- Conus genus includes 800 species
- Human fatality rates 15-75%
- Neurotoxin, paralytic venoms
Clinical Features
- Sharp prick to extreme pain
- Envenomation site: numbness, swelling, ischemia, cyanosis
- Systemic: weakness, sweating, visual changes, muscle paralysis, respiratory failure, cardiovascular collapse, coma
- Death can occur in 1-5 hours
Differential Diagnosis
- Anaphylaxis
- Cnidaria envenomation
- Sea snake envenomation
- Shellfish envenomation
Evaluation
Workup
Diagnosis
Management
- No antivenom available
- ABC's
- Supportive care