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24 November 2023
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Created page with "'''Obstructive sleep apnoea''' (OSA) (sometimes called obstructive sleep apnoea ''syndrome'') is characterised by repetitive episodes of apnoea or hypopnea lasting > 10 seconds. These episodes are caused by upper airway obstruction occurring during sleep, and result in reductions in blood oxygen saturation. The hypoxaemia triggers the sympathetic nervous system, briefly arousing the person from sleep. Central sleep apnoea is related but not the same. In central sleep ap..."
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