T63.064

Clinical Causes: Bite or scrape from venomous North or South American snakes such as rattlesnakes, moccasins, or coral snakes. Injury involving snake venom when the snake cannot be identified due to lack of witness or clear details. Unintentional contact with snakes in natural habitats, including forests, deserts, or fields. Accidental encounters with snakes in residential or urban areas where snakes may be present.

Key Symptoms: Localized pain and swelling at the site of the bite. Redness and discoloration around the bite area. Development of blistering or tissue necrosis in severe cases. General symptoms like nausea, vomiting, or weakness. Rash or allergic reactions in some individuals. Signs of systemic envenomation, such as difficulty breathing, dizziness, or abnormal heart rhythms. In some instances, neurological symptoms like numbness, tingling, or muscle weakness.

Diagnosis Path: Diagnosis primarily involves clinical evaluation based on the patient's history of snakebite and physical examination. Identification of the snake is often not possible, especially in undetermined cases. Laboratory tests may be conducted to assess the extent of envenomation, such as blood clotting panels, kidney function tests, and blood cell counts. Imaging techniques, like X-rays or ultrasounds, might be used if tissue damage or retained fang fragments are suspected. The healthcare provider will also observe the progression of symptoms to determine severity and guide treatment decisions.

Treatment Protocols: Immediate medical attention to assess the injury and prevent complications. Application of first aid measures, such as keeping the affected limb immobilized and at or below heart level to slow venom spread. Administration of antivenom specific to the type of snake, when available and indicated. Supportive care including pain relief, wound management, and monitoring vital signs. Treating complications such as tissue infection, shock, or allergic reactions. Surgical intervention may be necessary in cases of severe tissue damage or necrosis. Close monitoring in a healthcare facility until symptoms stabilize and improvement is observed.