Cardiobacterium

A genus of nonmotile, pleomorphic, Gram-negative, facultatively anaerobic, rod-shaped bacteria found in the nasal flora and associated with endocarditis in humans. The type species is c. hominis.

- C. hominis a bacterial species that causes endocarditis in humans. The type species of C.. See HACEK group.

- C. violaceum a motile, Gram-negative, non–spore-bearing rod, found in soil in tropical and subtropical environments; a cause of human infections including septicemia, pneumonia, wound infections, and abscesses; it can be rapidly fatal, and may relapse after cessation of antibiotic therapy.

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Car·dio·bac·te·ri·um (kahr″de-o-bak-tērґe-əm) [cardio-(1) + bacterium] a genus of gram-negative, facultatively anaerobic, fermentative, rod-shaped bacteria of the family Cardiobacteriaceae; organisms are part of the normal flora of the nose and throat and are also isolated from blood. The type species is C. hoґminis.