Gangrene

Question 1

Classication of gangrene?

Answer 1

• Wet: tissue death + infection
• Dry: tissue death only
• Pregangrene: tissue on the brink of gangrene

Question 2

Gas Gangrene microorganism?

Answer 2

Clostridium perfringes myositis

Question 3

Treatment of gas gangrene?

Answer 3

• Debridement (may need amputation)
• Benzylpenicillin + metronidazole
• Hyperbaric O2

Question 4

Synergistic Gangrene microorganism?

Answer 4

• Involves aerobes + anaerobes

- Both progress rapidly to necrotising fasciitis + myositis

Question 5

Management of synergistic gangrene?

Answer 5

• Take cultures
• Debridement (including amputation)
• Benzylpenicillin ± clindamycin