Definition, Apopnea-Hypopnoea Index (AHI) , anatomy

Definition of OSA
- a sleep disorder
- Pauses in breathing during sleep due to airway obstruction
- 1 or more breaths are missed during each episode, occurring repetitively throughout sleep
- Breathing is interrupted by obstruction in airway despite the effort to breathe, preventing an adequate flow of air

Apopnoea-Hypopnoea Index
• To assess the severity of sleep apnoea
• Total number of complete cessation (apnoea) and partial obstructions (apopnoea) of breathing occurring per hour of sleep
• Pauses in breathing must last for 10s

Classification :
•Mild = 5-15
•Moderate = 15-30
•Severe = >30

Anatomy (the ones i think are relevant to Karim's case)
- Mouth
- tongue
- palate
- tonsils
- trachea