Main » Infectious diseases » Miscellaneous Disorders » Snake Poisonin
Venomous snakes include members of three families, sea snakes (Hydrophiidae), cobras and mambas (Elapidae) and vipers (Viperidae).
Photo 1. Elipidae — the cobra Naja naja. Cobras such as that shown here, and other Elapids produce both neurotoxins and tissue necrotoxins.
Photo 2. Viperidae — venom emerging from poison fang. The Viperinae, and Crotalinae (pit vipers) mainly produce toxins affecting the blood and blood vessels.
Photo 3. Myoglobinuria following sea snake bite. The figure shows rapid clearance of myoglobinuria following administration of life-saving sea snake antivenom.
Photo 4. Ptosis due to elapid bite. Elapid venom produces a neuromuscular block especially of cranial nerves, thus affecting vision, swallowing and respiration.
Photo 5. Extensive necrosis after cobra bite on leg. This patient was bitten several days previously by a cobra.
Photo 6. Viper bite causing shock. Severe shock associated with serious local tissue damage and haemorrhage.
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