28th July 2023

A 63 year old man with no previous history of heart disease presents with a 6 week history of lethargy and weight loss.

A 63 year old man with no previous history of heart disease presents with a 6 week history of lethargy and weight loss. He has been having intermittent high fevers. On examination, there is a new systolic murmur. Aside from a temperature, his observations are normal, and he is well clinically.

What is the most appropriate empirical antibiotic treatment?

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