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Gangrene

• death of tissue due to damaged vascular supply
• tissues black and may slough
• dry gangrene has no concurrent infection, wet gangrene has infection
• line of demarcation between living and dead tissue

Investigations

• swabs for culture

Complications

• Group A streptococci infection
  • Fournier's Gangrene
• Clostridium perfringens
  • Gas Gangrene

Treatment

Dry Gangrene

• revascularise
• allow to separate naturally (autoamputation)
• watch closely for signs of infection

Wet Gangrene

• antibiotics
  • benzylpenicillin IV
• amputate