LK is a 30-year-old IV drug user who was admitted to the hos…
LK is a 30-year-old IV drug user who was admitted to the hospital with an abscess on his arm at the injection site. He was started empirically on vancomycin and piperacillin/tazobactam for empiric coverage. The following day, his blood cultures turn positive for gram positive cocci in pairs and chains, identified as Enterococcus faecalis (Sensitive to ampicillin, gentamicin, vancomycin, daptomycin, and pip/tazo). A transesophageal echocardiagram (TEE) is performed which shows a vegetation on his mitral valve. He does not have a prosthetic valve. Which of the following is the most appropriate recommendation?
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