Obstructive sleep apnoea — MCCQE Part 1 MCQ

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EasyFatigueObstructive sleep apnoeaMCCQE Part 1

A 62-year-old man with BMI 34, loud snoring, witnessed apnoeas, and Epworth Sleepiness Scale 14/24. Most appropriate initial investigation?

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Correct answer: C — Polysomnography (sleep study)

Obesity + snoring + witnessed apnoeas + excessive daytime somnolence = suspected OSA. Polysomnography (in-lab or home) is diagnostic standard. CPAP for moderate-severe OSA (AHI >=15).

Reference: CTS Sleep Apnoea Guidelines