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Frostbite
What is Frostbite?
• A thermal injury to the skin resulting from prolonged exposure to moderate cold or brief exposure to extreme cold.
• Ice crystals form in and around skin cells due to decreased blood supply
• Typically hands, feet, nose, ears, and cheeks.
Signs and Symptoms
• Pain• Numbness• Prickly sensations • Firm, whitened skin
areas • Peeling or blistering
•Itching
•Swelling
•Mottled (blotchy) skin
•Hard, glossy, grayish, yellow skin
Frostnip or Frostbite?
• 1st degree: Frostnip. Numbness and whitening of the skin. Rewarm promptly.
• 2nd degree: Superficial frostbite. Outer skin hard and frozen but tissue underneath has normal resilience.
• 3rd degree: Deep frostbite. Skin is white or blotchy and blue. Skin and tissue underneath is hard and very cold.
Prevention
• Keep skin covered• Stay warm and dry• NEVER accept numbness
Treatment
• PREVENTION• Gently rewarm with another warm body,
warm clothing, or lukewarm water• Keep the injured area warm!• Wrap blisters or peeling skin with sterile
gauze.
Treatment No-no’s
• DO NOT rewarm frostbite if refreezing is possible
• DO NOT rub• DO NOT use direct heat