A 65-Year-Old Man with Second- and Third-Degree Burns Covering More

A 65-year-old man with second- and third-degree burns covering more than 25% of his entire body surface area is brought to the intensive care unit. His wounds are cleansed and debrided, and intravenous fluids and painkillers are provided. The patient gets a fever after 7 days, and his leukocyte count climbs to 16,000 cells/L. The burns on his left leg are surrounded by warmth, erythema, and induration. The photograph below shows a Gram stain of his injured tissue. Culture on MacConkey agar grows oxidase-positive colonies that do not ferment lactose.  Which of the following is the best initial treatment for this patient?

A) Cefepime
B) Ceftriaxone
C) Doxycycline
D) Moxifloxacin
E) Trimethoprim-sulfamethoxazole

Correct Answer:

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