Figure 3: Mid-esophageal short-axis aortic valve imaging with
trans-esophageal echocardiogram. Red arrow indicates a mobile aortic
mass with mild to moderate aortic stenosis.
Subsequently, A. defectiva was confirmed to be the causative organism by
two sets of positive blood cultures. Our patient was advised to complete
a 4 week antibiotic course of penicillin and gentamicin. Sensitivity
studies demonstrated that this strain was susceptible to ceftriaxone,
and our patient was shortly discharged with outpatient follow-up.