culture negative-bacterial endocarditis
- abiotrophic strep
- HACEK (Haemophilus para-influenzae & aphrophilus, Actinobacillus, Cardiobacterium, Eikenella, and Kingella),
- T. whipplei
- Bartonella,
- Coxiella burnetii
- Chlamydia
- Legionella
- Brucella
(JAMA 2007;297:1354; Annals 2007;147:829; J Clin Microbiol 2012;50:216)