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Obstructive sleep apnea — USMLE Step 3 MCQ

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EasyAmbulatory Medicine / Primary CareObstructive sleep apneaUSMLE Step 3

A 48-year-old man has loud snoring, morning headaches, and daytime sleepiness. His partner reports witnessed apneas. BMI is 36 kg/m2 and blood pressure is 148/88 mm Hg. Oropharynx is crowded. Which of the following is the most likely diagnosis?

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Correct answer: C — Obstructive sleep apnea

Snoring, witnessed apneas, obesity, hypertension, and daytime somnolence are classic for obstructive sleep apnea.

Reference: American Academy of Sleep Medicine diagnostic guidance