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Obstructive Sleep Apnoea
Pickwickian syndrome
- Common
- intermittent / recurrent closure of pharyngeal airway
- partial cessation of breathing during sleep
- terminated by partial arousal
- increased risk of road accidents / ?heart disease
History
- witnessed apnoeas
- snoring
- daytime somnolence
- morning headaches (if CO2 levels rise)
- decreased libido
- reduced cognitive performance
Investigations
diagnosis usually on 15 attacks / hour
- nocturnal desaturations
- sleep study
- oxygen saturation
- airflow at nose / mouth
- ECG
- EMG
- Chest / abdominal wall movements
Treatment
- CPAP
- weight reduction may help
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