Obstructive sleep apnoea

Question 1

Risk factors for obstructive sleep apnoea

Answer 1

obesity
macroglossia (acromegaly, hypothyroidism, amyloidosis)
large tonsils
Marfan’s syndrome

Question 2

Consequences of obstructive sleep apnoea during the day

Answer 2

daytime sleepiness
compensated respiratory acidosis
hypertension

Question 3

Investigations used for assessment of obstructive sleep apnoea

Answer 3

1. Epworth Sleepiness Scale
2. Multiple Sleep Latency Test (MSLT) - time to fall asleep in a dark room (using EEG)
3. sleep studies - monitor pulse oximetry at night

Question 4

Management of obstructive sleep apnoea

Answer 4

• weight loss
• CPAP
• inform DVLA if excessive daytime sleepiness