A 64-year old man was admitted to a community hospital for evaluation of fever of unknown origin of 2 weeks’ duration. The patient had also sustained a 5-kg weight loss during the previous 3 weeks. Physical examination was unremarkable; in particular, no heart murmur could be detected. On admission, his leukocyte count was 20 880 cells/μL; C-reactive protein was 199 mg/L; and 4 blood cultures were positive for Enterococcus faecalis . Chest x-ray and abdominal and thoracic computed tomography scans were …