30th July 2020

A 24-year-old male has been brought in to the Emergency Department following immense pain in his back

A 24-year-old male has been brought in to the Emergency Department following immense pain in his back. He is investigated and found to have discitis of his L3 and L4 vertebrae. He admits to taking recreational drugs and exchanging needles with friends. An Echocardiogram carried out shows vegetation over the tricuspid valve consistent with a preliminary diagnosis of Infective Endocarditis. He has no recollection of having any congenital heart defects, rheumatoid disease or any other cardiac problems.

For the patient above, please select the SINGLE most likely organism. Select ONE option from the list above.