Uworld 19256 has meropenem and vanc as the answer to treat burn wound sepsis.
" Invasive wound infections have systemic manifestations (eg, confusion, tachycardia) of infection and, on biopsy, show microbial invasion into unburned tissue. Suspected invasive infection (as in this patient) requires treatment with broad-spectrum antibiotics that include coverage against the 2 most common burn infection pathogens: Pseudomonas aeruginosa and Staphylococcus aureus. First-line therapy uses a combination of either piperacillin-tazobactam or a carbapenem (eg, meropenem), which have a broad spectrum of activity including against gram-negatives (eg, Pseudomonas), and vancomycin, which has excellent activity against methicillin-resistant Staphylococcus aureus (MRSA\."
great rationale - approved in related suggestion
