28th May 2025

A 63 year old man with no previous history of heart disease presents with a 5 day history of lethargy and high fever.

A 63 year old man with no previous history of heart disease presents with a 5 day history of lethargy and high fever. He has a new murmur on examination, and vegetations are seen in the echocardiogram. Blood cultures are positive for Staphylococcus aureus, which is sensitive to methicillin.

What is the most appropriate antibiotic treatment?

Select the SINGLE most appropriate option from the list below. Select ONE option only.