Question

A 52-year-old man with obesity (BMI 35 kg/m²) and loud snoring is referred for assessment of possible obstructive sleep apnoea. He reports unrefreshing sleep and daytime somnolence. His partner has witnessed apnoeic pauses. Blood pressure is 150/92 mmHg and neck circumference 44 cm. Which of the following is the most appropriate next step in his evaluation according to Canadian practice?

Accepted Answer

Arrange in-laboratory overnight polysomnography or validated home sleep apnoea testing

Answer

Start nocturnal oxygen therapy empirically

Answer

Prescribe a sedating hypnotic to improve sleep continuity

Answer

Reassure him; no further evaluation is required if Epworth score is below 10

Answer

Order a CT scan of the neck to exclude an obstructing lesion before sleep testing

Practice question