Obstructive Sleep Apnoea Flashcards
1
Q
Pathophysiology
A
Narrowing of upper airway size, provoked by sleep, causing daytime symptoms.
2
Q
Symptoms
A
Daytime Sleepiness
Apnoea attacks
Nocturia
Loss of libido
Reflux
3
Q
Signs
A
Hypoxia
Hypercapnia
Increased BP (Day and night)
4
Q
Typical patient
A
Obese male with small, set back mandible.
5
Q
Causes
A
- Small pharyngeal opening - Neck fat, Craniofacial abnormality, Large tonsils.
2.Excessive narrowing at night - Alcohol, age, Obseity, Neuromsucular disorder.
6
Q
Management
A
Weight loss, Avoid alcohol before bed, Sleep on side
Mandible support, Pharyngeal surgery
Nasal CPAP, Tracheostomy
NIV if acidotic
Do not drive if sleepy, inform DVLA if indicated.
7
Q
Investigations
A
- Overnight Oximetry
- Limited sleep study
- Full polysomnogrophy
8
Q
Epworth Sleep Scale
A
Likelohood to doze off while conducting different activities
