COPD USMLE Step 1 Practice Question
A 52-year-old obese man with hypertension presents with loud snoring, witnessed apneic episodes during sleep, and excessive daytime somnolence. Vital signs show BP 158/92 mmHg, HR 88/min, RR 16/min, SpO2 88% during sleep. Recent polysomnography reveals an apnea-hypopnea index of 42 events/hour. He denies orthopnea. He takes lisinopril but is nonadherent with CPAP therapy. Which complication is most likely if this disorder remains untreated?
Answer choices
- AUpper lobe cavitary lesions
- BSpontaneous pneumothorax from apical blebs
- CDiffuse alveolar hemorrhage
- DBronchiectasis from chronic infection
- EPulmonary hypertensionCorrect answer
- FAcute respiratory distress syndrome (ARDS)
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