Mitral and aortic valve endocarditis due to a rare microorganism: Abiotrophia defectiva and literature review

Abiotrophia defectiva belongs to the nutritionally variant streptococci group and can colonize in oropharyngeal, gastrointestinal and genitourinary systems. Abiotrophia defectiva rarely causes infective endocarditis while infections caused by Abiotrophia defectiva have high morbidity and mortality rates. In this case report, we present a case of infective mitral and aortic valve endocarditis caused by Abiotrophia defectiva