Necrotising Fasciitis Flashcards Preview

Infectious diseases > Necrotising Fasciitis > Flashcards

Flashcards in Necrotising Fasciitis Deck (6):

What is necrotising fasciitis and why is it of particular importance?

Infection of the deep fascia, rapidly progressing

MEDICAL EMERGENCY and particularly hard to spot in the early stages


How is it classified?

According to the causative organism:
- type 1 is caused by mixed anaerobes and aerobes (often occurs post-surgery in diabetics)
- type 2 is caused by Streptococcus pyogenes


What are the features?

- acute onset
- painful, erythematous lesion develops
- extremely tender over infected tissue


What is the management?

- urgent surgical referral for debridement or amputation
- I.V. antibiotics e.g. Benzylpenecillin and clindomycin


What are the normal causative organisms?

Group A beta-haemolytic streptococci are the major cause, though infection is often polymicrobial


What is Fournier's gangrene?

Necrotising fasciitis localised to the scripts and perineum