Necrotising Fasciitis

Question 1

Causes of nec fasc

Answer 1

Type 1 - mixed anaerobes and aerobes - after surgery in diabetics
Type 2 - strep pyogenes

Question 2

Risk factors for nec fasc

Answer 2

Skin factors: recent trauma, burns, soft tissue infections.
DM
IV drug use
Immunosuppression

Question 3

Where is the most common site affected

Answer 3

Perineum (Fournier’s gangrene)

Question 4

Symptoms of nec fasc

Answer 4

Acute onset of pain, swelling, and erythema at site, extremely tender over area

Question 5

Signs of nec fasc

Answer 5

Fever and tachycardia, presents as rapidly worsening cellulitis with pain out of keeping with physical features. Skin necrosis and crepitus/gas gangrene are late signs