Cold injuries
Background
- Frostbite occurs only when ambient temperatures are well below freezing
- Nonfreezing cold injuries occur due to exposure to wet conditions when temper >freezing
Trench Foot
Pernio (Chilblains)
Cold Panniculitis
- Prolonged exposure to temp >freezing leads to mild necrosis of subcutaneous fat tissue
- Seen in children (popsicles) and women involved in equestrian activities
- Resolution may result in adipose fibrosis w/ cosmetic defects
- There is no treatment
Cold Urticaria
- Hypersensitivity to cold air or water which may lead to fatal anaphylaxis
- Treat similarly to urticarial lesions from other causes (i.e. antihistamines)
- Avoidance of cold is recommended
Source
Tintinalli
