A 2-week-old newborn presents with fever, irritability, and…

A 2-week-old newborn presents with fever, irritability, and decreased movement of the left leg. On examination, the left thigh appears swollen, warm, and tender to touch. Blood tests show an elevated white blood cell count and C-reactive protein (CRP). Blood cultures grow Staphylococcus aureus.

A 55-year-old male presents to the clinic with sudden onset…

A 55-year-old male presents to the clinic with sudden onset of severe pain, redness, and swelling in his right big toe. He reports that the pain began overnight and is so intense that even a bedsheet touching his foot causes discomfort. His medical history includes hypertension and obesity. He admits to frequent alcohol consumption and a recent diet high in red meat and seafood.