A 73-year-old man presents with fever for a few weeks. His blood cultures are positive for Streptococcus Viridans and he is commenced on empirical IV antibiotics. After 1 week he suffers a stroke. An echo is performed shortly after. His echo is shown in Figs 10.1, 10.2 and 10.3, and Videos 10.1, 10.2, 10.3, 10.4, 10.5, 10.6 and 10.7.