Migration Test Case

A 45-year-old woman presents with fever and cough for 5 days. She reports subjective fevers, chills, and a productive cough with green sputum. She has no significant past medical history and takes no medications. She works as a teacher and has no recent travel history. On examination, temperature is 38.5°C, heart rate 110 bpm, blood pressure 120/80 mmHg, respiratory rate 24/min, oxygen saturation 92% on room air. Lung exam reveals crackles in the right lower lobe. Laboratory studies show leukocytosis with left shift. Chest X-ray shows right lower lobe consolidation.

The patient is started on empiric antibiotics. Blood cultures grow Gram-positive cocci in clusters. The organism is catalase-positive and coagulase-negative. She improves with antibiotic therapy and is discharged home after 5 days. This case demonstrates a common community-acquired pneumonia with bacteremia from a typical pathogen.