FN: Obstructive Sleep Apnoea Flashcards
1
Q
Definition
A
Intermittent closure/collapse of pharyngeal airway → apnoeic episodes during sleep.
2
Q
RF
A
Obesity Male Smoker EtOH Idiopathic pulmonary fibrosis Structural airway pathology: e.g. micrognathia NM disease: e.g. MND
3
Q
Ix
A
SpO2
Polysomnography is diagnostic
4
Q
Rx
A
Wt. loss
Avoid smoking and EtOH
CPAP during sleep
5
Q
Clinical Features Nocturnal
A
Snoring
Choking, gasping, apnoeic episodes
6
Q
Clinical Features Daytime
A
Morning headache
Somnolence
↓ memory and attention
Irritability, depression
7
Q
Complications
A
Pulmonary hypertension
Type 2 respiratory failure
Cor pulmonale
8
Q
Mx
A
- ↓wt.
- Stop smoking
- CPAP @ night via a nasal mask
- Surgery to relieve pharyngeal obstruction
-Tonsillectomy
-Uvulopalapharyngoplasty
