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Table 95.2

Urgent Investigation in Suspected Cellulitis or Necrotizing Fasciitis

  • Full blood count
  • C-reactive protein
  • Electrolytes and creatinine
  • Blood culture (in class 3 or 4 illness (Table 95.3)
  • Microscopy and culture of blister fluid if present
  • Urgent Gram stain of debrided tissue (in necrotizing fasciitis)
  • Duplex scan if deep venous thrombosis is possible (Chapter 56)