Sleep Apnoea Flashcards
What is obstructive sleep apnoea
Sleep disorder characterised by recurrent episodes of upper airway obstruction
Risk factors for sleep apnoea
Narrow airways via fat deposition
Skeletal features
What triggers arousal from sleep
Hypoxia and hypercapnea
Typical presenting history
Excessive daytime sleeping
Chronic morning headaches
Snoring
Unrefreshing sleep
On the epwaorth sleepiness scale what is an abnormal score
2 or more (out of 11)
How to investigate sleep apnoea
Polysomnography
What are categories of apnoea-hyponoea index for normal, mild, moderate, severe (per hour)
Normal >5
Mild 5-15
Moderate 15-30
Severe >30
Management of sleep apnoea
Weight loss, mandibular repositioning, CPAP
What is narcolepsy
Cataplexy with daytime sleepiness
Treated with stimulant modafinil and venlafaxine
