Severe frostbite can cause sudden death Sunying: Frostbite is because the skin is stimulated by cold, the blood vessels occur continuous, spastic contraction, blood flow is reduced, resulting in tissue ischemia and hypoxia, and cell damage. In medicine, according to the degree of injury, frostbite is usually divided into four grades: frostbite: that is, common frostbite, belonging to the skin.
2021-01-07 10:10
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