A 45-year-old woman recovering from influenza develops recurrent fever (39.2°C), progressive dyspnea, and productive cough with purulent sputum. Vital signs show BP 128/82 mmHg, HR 112/min, RR 22/min, SpO2 94% on room air. Chest CT reveals multiple patchy infiltrates with cavitary lesions in the right upper lobe. WBC count is 14,200/μL. She denies recent antibiotic use. Which organism is most likely responsible?
- A)Streptococcus pneumoniae
- B)Staphylococcus aureus pneumoniaGABARITO
- C)Chlamydophila psittaci
- D)Mycoplasma pneumoniae
- E)Pneumocystis jirovecii pneumonia
Explicação
Staphylococcus aureus pneumonia is correct. Secondary bacterial pneumonia after influenza with cavitary or necrotizing lesions is a classic Staphylococcus aureus pattern. The biphasic illness and aggressive parenchymal destruction help distinguish it from atyp... Ver explicação completa e trilha adaptativa →