A 58 year old man with alcohol use disorder is brought to the hospital after being found unconscious. One week later he develops fever, productive cough with foul smelling sputum, and right lower lobe cavitary lesion with an air fluid level on chest imaging. Which of the following is the most likely etiology?
- A)Hematogenous spread of Mycoplasma pneumoniae
- B)Aspiration of anaerobic oral floraGABARITO
- C)Inhalation of silica particles
- D)Primary infection with influenza virus
- E)Autoimmune destruction of pulmonary capillaries
Explicação
Aspiration of anaerobic oral flora is correct. Impaired consciousness predisposes to aspiration, especially into dependent lung segments, leading to necrotizing infection and abscess formation with foul smelling sputum. The air fluid level in a cavitary lesion... Ver explicação completa e trilha adaptativa →