A 34-year-old pet store employee presents with fever, severe headache, dry cough, and myalgias for 5 days. Vital signs show temperature 39.2°C, heart rate 102/min, respiratory rate 22/min, blood pressure 118/76 mmHg, and SpO2 98% on room air. Chest radiograph reveals patchy interstitial infiltrates. Laboratory studies show normal white blood cell count. She denies dyspnea and recently cared for sick parrots. Which organism most likely explains her clinical presentation?
- A)Chlamydophila psittaciGABARITO
- B)Streptococcus pneumoniae
- C)Mycoplasma pneumoniae
- D)Histoplasma capsulatum
- E)Legionella pneumophila
Explicação
Chlamydophila psittaci is correct. Bird exposure with an atypical pneumonia syndrome is classic for psittacosis. The interstitial pattern and systemic symptoms help distinguish it from typical lobar bacterial pneumonia. Ver explicação completa e trilha adaptativa →