20th June 2024

A 34-year-old man presents to the GP with a fever for 5 days. He appears unwell and is pyrexial

A 34-year-old man presents to the GP with a fever for 5 days. He appears unwell and is pyrexial. On examination, there is a pansystolic murmur at the left sternal edge. He has multiple needle marks suggestive of IV drug use. The initial diagnosis of infective endocarditis is made.

Which is the most common valve affected in infective endocarditis in IV drug users?

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