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

Differential Diagnosis

Cold injuries

• Generalized
  • Accidental hypothermia
  • Therapeutic hypothermia
• Freezing
  • Frostbite
• Non-freezing
  • Trench foot
  • Chilblains (Pernio)
  • Cold panniculitis
  • Cold urticaria
  • Polar thigh