HY USMLE Q #1170 – Dermatology

A 36-year-old man is brought to emergency after sustaining full-thickness burns to 30% of his body in a house fire. One week following debridement and skin grafting, he is febrile at 101 F. There is a blue-green discoloration of a portion of graft skin on the left calf. There is no crepitus. Which of the following is the most likely explanation for this patient’s acute dermatologic findings?

  Cytokine activity
  Gram-negative rod
  Gram-positive rod
  Normal tissue reaction
  Phospholipase