Medicaltalks over 6 years ago

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Hand after a rattlesnake bite!!

Generally speaking, snakes bite both as a method of hunting and as a means of protection, and such injury is caused by a venomous snake. Common symptoms include swelling, severe pain, tingling, weakness, anxiety, nausea and vomiting, hemorrhaging, perspiration, and eventually heart failure. Local pain following envenomation is often intense, increasing with the ensuing edema. Children generally experience more severe symptoms because they receive a larger amount of venom per unit of body mass.The most important factor in survival following a severe envenomation is the time elapsed between the bite and treatment. Most deaths occur between six 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%. Venom emitted from some types of venomous snakes causes necrosis of muscle tissue. Muscle tissue will begin to die throughout the body, a condition known as rhabdomyolysis. Rhabdomyolysis can result in damage to the kidneys as a result of myoglobin accumulation in the renal tubules. This, coupled with hypotension, can lead to acute renal failure, and, if left untreated, eventually death.