12th March 2024

A 60-year-old male recently underwent a prosthetic aortic valve replacement five weeks ago.

A 60-year-old male recently underwent a prosthetic aortic valve replacement five weeks ago. He presents to the emergency department with lethargy, night sweats and fever (38.9°C). On auscultation, there is a new early diastolic murmur in the aortic region. Blood cultures have been taken, and their findings are awaited. What empirical antibiotic regime should be initiated?

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