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C. Vegrandis envenomation
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by pitviper on March 5, 2001
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I have seen explanations of typical envenomations for a couple of snakes here on SHHS, most rattlesnakes, but I have never seen it for Vegrandis. Is there anyone out there who can explain a typical envenomation scenario of a bite from a C. Vegrandis?
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RE: C. Vegrandis envenomation
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by Klaus on March 6, 2001
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I'm not sure there is any case report on vegrandis envenomation in humans. Nevertheless, C. vegrandis - together with C. d. terrificus, C. scutullatus, C. viridis concolor, C. h. attricaudatus and C. tigris - belongs to the group of rattlers whose venoms contain, as one component, toxins which are closely related with one another and are classified as toxic phospholipase A2 proteins. Such proteins, as for instance crotoxin or from C.d.terrificus, Mojave toxin from C.scutullatus or concolor toxin from C. v. concolor, as well as vegrandis toxin, can act neurotoxic in mice (LD50 approx. 0.05 mg/kg, subcutaneous route). In humans however, these toxic enzymes seem to act mostly myotoxic. So, as with all venomous snakes: Keep your eyes open and your mind focused when handling C. vegrandis.
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