6 - ENT - Upper airway - Obstruction - Causes + Signs Flashcards
1
Q
Surgical sieve for causes of UAO
A
Foreign body infective inflammatory non-infective inflammatory neoplastic trauma neuro congenital
2
Q
Causes of infective inflammatory UAO
A
laryngotracheobronchitis - croup epiglottitis/supraglottitis HPV diptheria TB
3
Q
Causes of non-infective inflammatory UAO
A
anaphylaxis
wegeners granulomatosis
4
Q
Neoplastic causes of UOA
A
laryngeal
hypopharyngeal
thyroid
5
Q
Congenital causes of UOA
A
laryngomalacia - soft collapsing cartilage
laryngeal paralysis
subglottic web/stenosis
6
Q
6 signs of UAO
A
noisy breathing SOB/resp distress voice change local pain dysphagia pale/cyanosed
7
Q
Stridor - what? meaning of when it can be heard?
A
it is musical noise when breathing
- inspiratory - laryngeal level
- expiratory wheeze - lower airways
- biphasic - tracheal (or upper and lower)
8
Q
Sterto - what is it? cause?
A
sterto is inspiratory noise like snoring, from obstruction at pharynx
9
Q
signs of respiratory distress
A
tachypnoea (>20)
tracheal tug
suprasternal retraction
agitation
