Card 18 / 38: A 75 year-old male underwent transrectal prostate biopsy one week ago, afterwhich developed fever, followed by shortness of breath. T 39 .5 C, HR 108min, RR 30/min, bilateral crackles, murmur at the aortic area. Diagnosis is endocarditis. What is the most common etiologic agent causing endocarditis in the above mentioned patient?
A) E. faecalis
B) E. gallinarum
C) S. aureus
D) S. agalactiae

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