Restrictive Lung Disease USMLE Step 1 Practice Question
A 54-year-old woman with septic shock from perforated diverticulitis is admitted. Two days post-admission, she develops acute dyspnea and hypoxemia requiring intubation. Current vitals: HR 118, BP 92/58, RR 28, SpO2 88% on FiO2 1.0. Chest radiograph reveals diffuse bilateral ground-glass opacities. Arterial blood gas shows PaO2 65 mmHg on high-flow oxygen. Lung compliance is severely decreased. She denies recent aspiration. Which diagnosis best explains her clinical presentation?
Answer choices
- ATransudative pleural effusion from congestive heart failure
- BCommunity acquired pneumonia
- CPulmonary edema due to left sided heart failure
- DPulmonary embolism
- EAcute respiratory distress syndromeCorrect answer
- FDiffuse alveolar hemorrhage (DAH)
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