Airway obstruction Flashcards Preview

ENT Year 2 Medicine > Airway obstruction > Flashcards

Flashcards in Airway obstruction Deck (9)
Loading flashcards...
1

Why are babies obligate nasal breathers?

The epiglottis sits at the same level as the palate, enables them to breath whilst breastfeeding.

2

Why are babies at an increased risk of an airway obstruction?

They have a small soft larynx
Epiglottis is not rigid
Narrow sub-glottis

3

The smaller the diameter of the airway, the lower the resistance so decreases the work of breathing. T/F

False
The smaller the diameter of the airway
The larger the resistance
So increases the work of breathing

4

List some causes of airway obstruction

Inflammatory Infective Allergic
Foreign body
Neuroligical
Neoplastic
Physical compression
Trauma
Burns
Congenital

5

What is stertor?

Low pitched sound arising from partially blocked supra glottis.

6

What is sub glottal stenosis?

Congenital narrowing of to sub glottis

7

What is adult sub glottal stenosis linked to ?

Small vessel vasculitis or sarcoidosis

8

If a women in her 40s presents with sub glottal stenosis what is the likely aetiology?

idiopathic

9

Why do burn victims need to be intubated as quickly as possible?

Due to the inhalation of hot gases and ash the airways become massively and rapidly irritated leading to wide spread inflammation which prevents intubation.