Eustachian valve endocarditis.

Eustachian valve infective endocarditis is rare and mostly affects intravenous drug abusers and those with implanted medical devices or indwelling central venous catheters. The most commonly identified organism is . Treatment includes intravenous antibiotics for approximately 6 weeks. We present a case of Eustachian valve endocarditis in an individual without traditional risk factors.