![]() ![]() Most people are familiar with burn levels. Make sure you can trust your judgment to protect yourself or seek warmth and shelter. Substance use affects your ability to perceive your environment. Alcohol also dilates the blood vessels and increases heat loss.Īlcohol and cold weather are not good companions. They affect your body's ability to respond to colder temperatures. People with diabetes or other conditions that affect circulation.Įxhaustion, dehydration, malnourishment, existing medical conditions or impairment increases the risk of frostbite.People who get stranded in the cold (such as in motorized vehicle failure).Anyone who is not prepared for cold weather.Frostbite injury is worse if body parts freeze, and then are rewarmed and then refrozen. This affects your circulation and the blood supply becomes restricted. This releases chemicals that cause inflammation. The ice prevents the transport of water and electrolytes or salts in and out of cells. If the cooling is rapid, ice crystals form, either around the tissue or inside cells. When we treat it, we try to counteract these processes. How does frostbite happen?įrostbite is a combination of frozen tissue, inflammation, blood clotting and impaired circulation. It most often affects hands, feet, nose and ears. The combination of poor circulation and extreme cold can lead to frostbite.įrostbite generally occurs in body parts farthest from the heart. When you expose your body to the cold for a long period of time, the blood flow to your hands, feet, nose and ears restricts. ![]()
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