Octopus bite: Difference between revisions

Latest revision as of 15:30, 8 September 2019

Blue-ringed octopus (genus Hapalochlaena) is commonly cited venomous octopus
- Venom contains tetrodotoxin, which inhibits voltage-gated Na⁺ channels --> paralysis
- Potentially lethal
- Becomes bright yellow with blue rings when provoked

Blue ringed octopus

Authors:

@@ Line 1: / Line 1: @@
-==Mechanism==
+==Background==
-*Venom contains tetrodotoxin
+*Blue-ringed octopus (genus ''Hapalochlaena'') is commonly cited venomous octopus
-*inhibits voltage-gated Na<sup>+</sup> channels causing paralysis
+**Venom contains tetrodotoxin, which inhibits voltage-gated Na<sup>+</sup> channels --> paralysis
+**Potentially lethal
+**Becomes bright yellow with blue rings when provoked
-==Symptoms==
+[[File:blue_ringed_octopus.jpg|thumb|Blue ringed octopus]]
-*Erythema
-*Paresthesias
-*Flaccid paralysis
-*Respiratory Failure
-==Treatment==
+==Clinical Features==
-*Supportive
+*Local erythema
-*No antivenom
+*[[Paresthesias]]
+*Flaccid [[weakness|paralysis]]
+*[[Respiratory failure]]
+==Differential Diagnosis==
+{{Marine envenomation DDX}}
+==Evaluation==
+*Clinical diagnosis
+==Management==
+*Supportive treatment only; no antivenom exists
+==Disposition==
+==See Also==
+*[[Marine toxins and envenomations]]
+==External Links==
+==References==
+<references/>
+[[Category:Toxicology]][[Category:Environmental]]