deep frostbite

(redirected from third-degree frostbite)

deep frostbite

Frostbite that extends to subcutaneous tissue and muscle, which is characterised by a reduction and eventual loss of sensation in the affected regions, accompanied by oedema and blood blisters. The overlying skin is yellow and waxy, and turns purple on rewarming.
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She developed third-degree frostbite and needed surgery to remove the infected tissue before undergoing a skin graft.
The unnamed 42-year-old woman suffered third-degree frostbite and needed painful skin grafts.