A 67-Year-Old Man Comes to the Emergency Department with Low-Grade

A 67-year-old man comes to the emergency department with low-grade fevers and fatigue.  He has no history of heart disease.  His temperature is 38.4 C (101.1 F) , blood pressure is 117/76 mm Hg, pulse is 82/min, and respirations are 14/min.  On examination, there is a diastolic murmur at the left sternal border.  He has nontender erythematous macules on his hands and feet.  Blood cultures show gram-positive cocci that are catalase-negative and able to grow in hypertonic (6.5%) saline and bile.  This patient's medical history is most likely to include which of the following procedures within the past month?

A) Cystoscopy
B) Dental extraction
C) Nasal polypectomy
D) Sinus drainage
E) Skin biopsy

Correct Answer:

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