Obstructive sleep apnoea Flashcards Preview

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Flashcards in Obstructive sleep apnoea Deck (7)
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1
Q

Obstructive sleep apnoea?

A

A disease characterised by recurrent prolapse of the pharyngeal airway and apnoea (cessation of airflow for > 10 s) during sleep, followed by arousal from sleep

2
Q

Obstructive sleep apnoea aetiology?

A

Occurs due to the narrowing of the upper airways because of the collapse of soft tissues o the pharynx due to decreased tone of the pharyngeal dilators during sleep.

3
Q

Obstructive sleep apnoea epidemiology?

A

COMMON 5-20% of men > 35 yrs 2-5% of women > 35 yrs, prevelance increases with age.

4
Q

Obstructive sleep apnoea risk factors?

A

Weight gain Smoking Alcohol Sedative use Enlarged tonsils and adenoids in children Macroglossia Marfan’s syndrome Craniofacial abnormalities

5
Q

Obstructive sleep apnoea symptoms?

A

Excessive daytime sleepiness, unrefreshing or restless sleep, morning headaches Dry mouth, difficulty concentration, Irritability and mood changes, partner reporting snoring, nocturnal apnoeic episodes or nocturnal choking.

6
Q

Obstructive sleep apnoea signs?

A

large tongue, tonsils, uvula, neck circumference, obesity, hypertension.

7
Q

Obstructive sleep apnoea investigations?

A

sleep study, bloods (TFTs, ABG)