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Review Question - QID 210626

Osteomyelitis Etiology Microbiology QID: 210626 (M2.OMB.18.4680)
In scope icon M 6 C
QID 210626 (Type "210626" in App Search)
A 7-year-old boy is brought to the emergency department by his parents. They state that he has had trouble walking the past day and this morning refuses to walk at all. The child has a past medical history of asthma, which is treated with albuterol. His temperature is 102°F (38.9°C), blood pressure is 77/48 mmHg, pulse is 150/min, respirations are 17/min, and oxygen saturation is 98% on room air. Laboratory tests are drawn and shown below.

Hemoglobin: 10 g/dL
Hematocrit: 36%
Leukocyte count: 13,500/mm^3 with normal differential
Platelet count: 197,000/mm^3

An MRI of the thigh and knee is performed and demonstrates edema and cortical destruction of the distal femur. Which of the following is the most likely infectious agent in this patient?
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