A 62-year-old man with alcohol use disorder and poorly controlled diabetes (HbA1c 9.2%) presents with fever (39.1°C), dyspnea, and productive cough. Vitals show BP 128/82, HR 104, RR 22, SpO2 94% on room air. He produces thick, blood-tinged sputum described as currant jelly. Chest X-ray demonstrates right upper lobe consolidation with bulging fissure. WBC is elevated at 14,200/μL. He denies hemoptysis beyond sputum streaking. Which organism is most likely responsible?
- A)Pseudomonas aeruginosa
- B)Pneumocystis jirovecii
- C)Mycoplasma pneumoniae
- D)Staphylococcus aureus
- E)Klebsiella pneumoniaeGABARITO
Explicação
Klebsiella pneumoniae classically causes severe lobar pneumonia in alcohol use disorder, diabetes, or aspiration prone patients. Currant jelly sputum and a bulging fissure on chest imaging are classic board clues. The organism is a heavily encapsulated gram ne... Ver explicação completa e trilha adaptativa →