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medical_animation on Instagram: "Severe frostbite in fingers occurs when the skin and underlying tissues freeze due to prolonged exposure to extreme cold. In advanced stages, fingers may become hard, cold, and numb, with a pale, waxy, or bluish-black appearance. Blisters may form, and tissue damage can be extensive, sometimes leading to gangrene. This level of frostbite can cause permanent nerve damage or require amputation if blood flow isn’t restored promptly. Immediate medical attention is cr