MS-3163

MS-3163

A 35-year-old woman arrives at the emergency department complaining of worsening bone pain in her left hip over the past few days. She mentions feeling ill and feverish, but attributes it to a recent cold. The patient is a known IV drug user and has not traveled recently.

During the examination, the left hip appears red and tender, and multiple track marks are visible.

Which organism is most likely responsible for her symptoms?