What condition results from prolonged exposure to cold, leading to tissue death?

Frostbite occurs due to prolonged exposure to cold temperatures, which can lead to the freezing of skin and underlying tissues. When the body is exposed to extremely cold conditions, especially in combination with wind, it can cause ice crystals to form in the cells. This process damages the cells and the blood vessels, leading to restricted blood flow. As a result, the affected areas, usually fingers, toes, ears, and the nose, can suffer from tissue death if not treated promptly and effectively.

In cases of severe frostbite, the affected areas can become black and necrotic, indicating they have died. This condition is critical and requires immediate medical intervention to prevent further complications, including the possible loss of the affected limbs. Understanding frostbite is essential in emergency response, as early recognition and treatment can significantly improve outcomes for victims of cold exposure.