Editing Necrotising fasciitis (section)

== '''Differential diagnosis''' ==

** Necrotizing cellulitis
*** Typically caused by anaerobes
*** Clostridial vs non-clostridial
**** Crepitus observed in both types
**** Sparing of fascia and muscles
*** Relatively mild systemically
** Cellulitis
*** Normal CK/AST
*** Not usually septic, apart from low-grade
** Pyoderma gangrenosum
*** IBD patients
*** No cellulitis
*** Violaceous ulcer edge
*** Less sepsis
*** Worsens with surgery
*** Normal fascial planes
*** Responds to steroids, does not respond to antibiotics
** Pyomyositis (abscesses) or necrotizing myositis (gangrene)
*** An infection of skeletal muscle typically caused by GAS and other beta-haemolytic streptococci
*** Preceded by skin abrasions, blunt trauma, or heavy exercise
*** Separate to clostridial myonecrosis
** DVT