Meropenem resistant endocarditis in an immunocompetent patient.

are gram-positive bacteria usually found in the normal flora and are commonly used as probiotic treatments for vaginal candidiasis. are normally considered non-pathogenic; however, certain risk factors can make a patient susceptible to severe infections. This case describes an immunocompetent 61-year-old female with an automated intracardiac defibrillator who presented with a 10-day history of nausea and vomiting. Furthermore, diagnostic tests, including a transesophageal echocardiography, revealed a large vegetation, and blood cultures were consistently positive for . The patient was treated with intravenous penicillin and gentamicin, along with removal of the automated intracardiac defibrillator. In patients with significant underlying conditions, physicians should consider as a causative organism to avoid delays in treatment.