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Nigropallidal encephalomalacia or Chewing disease is a neurological condition that affects horses that have eaten certain toxic plants. Affected animals are unable to prehend food because of lip and tongue paralysis, and may appear to keep their jaws open with the tongue protruded because of reduced jaw tone. [ 1 ]
Plants can cause reactions ranging from laminitis (found in horses bedded on shavings from black walnut trees), anemia, kidney disease and kidney failure (from eating the wilted leaves of red maples), to cyanide poisoning (from the ingestion of plant matter from members of the genus Prunus) and other symptoms.
The most important factor in survival following a severe envenomation is the time elapsed between the bite and treatment. Most deaths occur between 6 and 48 hours after the bite. If antivenom treatment is given within two hours of the bite, the probability of recovery is greater than 99%. [93]
In humans, symptoms include nausea, disorientation, and headache; these may be delayed for several hours. Haemotoxins are used in diagnostic studies of the coagulation system. Lupus anticoagulant is detected by changes in the dilute Russell's viper venom time , which is a laboratory assay based on—as its name indicates—venom of the Russell ...
In practice, it is not necessarily simple to tell a dry bite from a dangerously venomous bite. In the case of a potential dry bite from a snake, the wound should still be cleaned, a tetanus prophylaxis delivered, and the victim monitored for up to 12 hours in case the bite was venomous and antivenom and/or ancillary treatments are required.
CroFab is composed of several monovalent Fab (fragment antigen-binding) proteins derived from the blood of sheep immunized with one of four snake venoms: Crotalus atrox (western diamondback rattlesnake), Crotalus adamanteus (Eastern diamondback rattlesnake), Crotalus scutulatus (Mojave rattlesnake), or Agkistrodon piscivorus (cottonmouth or ...
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Taipoxin is a potent myo- and neurotoxin that was isolated from the venom of the coastal taipan Oxyuranus scutellatus or also known as the common taipan. [1] Taipoxin like many other pre-synaptic neurotoxins are phospholipase A 2 (PLA 2) toxins, which inhibit/complete block the release of the motor transmitter acetylcholine and lead to death by paralysis of the respiratory muscles (). [2]