A 33-year-old man hospitalized for severe pancreatitis develops acute dyspnea on hospital day 3. Vital signs: BP 128/82 mmHg, HR 112/min, RR 28/min, SpO2 88% on room air. Chest X-ray shows bilateral ground-glass opacities. Arterial blood gas reveals PaO2 55 mmHg. He denies chest pain and has clear bilateral breath sounds. Recent labs show elevated amylase and lipase. Lung biopsy would most likely demonstrate which pathological process?
- A)Sideroblast macrophages in bronchoalveolar lavage
- B)Diffuse bilateral ground glass opacities
- C)Noncaseating granulomas
- D)Acute respiratory distress syndromeGABARITO
- E)Ferruginous bodies in macrophages
Explicação
Acute respiratory distress syndrome is correct. Severe pancreatitis is a classic precipitating insult for ARDS, which causes diffuse alveolar damage and protein rich hyaline membranes with severe hypoxemia. The timing after a systemic inflammatory event and bi... Ver explicação completa e trilha adaptativa →