A 65-year-old man with a prosthetic aortic valve presents with fever and a new systolic murmur. Blood cultures are positive for Staphylococcus aureus. What is the most appropriate management?AProlonged intravenous antibiotics and urgent cardiology/infective endocarditis team reviewBShort 5-day course of oral antibiotics in the communityCNo antibiotics; prosthetic valves often cause murmursDStart aspirin aloneEDelay treatment until transoesophageal echocardiography is completeCheck my answer