What is a common indicator of frostbite when a person is found after being lost in a snowstorm?

A common indicator of frostbite is indeed the appearance of blotchy and blue skin, particularly on extremities such as the feet and hands. This discoloration occurs because frostbite affects the blood vessels in the skin, leading to reduced blood flow and resulting in the skin becoming cold, hard, and numb. The bluish hue is a sign of reduced blood circulation and potential cell damage due to prolonged exposure to cold conditions.

While bright red skin is often associated with frostnip or initial cold-induced injury, it does not indicate frostbite. Severe swelling may occur in various injuries or medical conditions but is not a primary indicator of frostbite. Intense pain, though it can be associated with frostbite in its early stages, may not be present in individuals who have experienced severe frostbite as nerve endings can be damaged, leading to numbness rather than pain. Understanding these clinical signs is crucial for effective assessment and response in cold weather emergencies.