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Obstructive sleep apnea — USMLE Step 3 MCQ

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ModerateInternal Medicine (chronic management)Obstructive sleep apneaUSMLE Step 3

A 55-year-old man with BMI 37 kg/m2 has loud snoring, witnessed apneas, and morning headaches. He falls asleep during meetings. Blood pressure is 146/88 mm Hg. Home sleep apnea testing confirms moderate obstructive sleep apnea. Which of the following is the most appropriate next step in management?

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Correct answer: B — Start continuous positive airway pressure therapy

Symptomatic moderate obstructive sleep apnea is treated with positive airway pressure, alongside weight management.

Reference: American Academy of Sleep Medicine OSA guideline: https://aasm.org/