Question

A 65-year-old obese man with loud snoring and witnessed apnoeas presents with daytime sleepiness and poor concentration. Blood pressure is 150/95 mmHg. What is the most appropriate initial diagnostic investigation?

Accepted Answer

Overnight polysomnography (sleep study)

Answer

Chest X-ray

Answer

Spirometry

Answer

CT scan of the brain

Answer

Arterial blood gas at rest only

Practice question

A 65-year-old obese man with loud snoring and witnessed apnoeas presents with daytime sleepiness and poor concentration. Blood pressure is 150/95 mmHg. What is the most appropriate initial diagnostic investigation?