Week 2 - D - Airway Obstruction

Question 1

How do neonates breathe?

Answer 1

Obligate nasal breathers - they breath through their nose

Question 2

Causes of airway obstruction

Answer 2

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Question 3

Poiseuille’s Equation describes the determinants of resistance to flow of (air or blood) in a person What is the equation for vessel resistance?

Answer 3

Vessel resistance (R) = n.L / r to power of 4

Question 4

What does the Poiseuille’s Equation mean?

Answer 4

It means theat the vessel resistance is proportional to the viscosity of blood and the vessel length It is inversely proportional to the power of 4 of the radius of the vessel ie increasing radius means less resistance

Question 5

Describe stridor and stertor

Answer 5

Stridor is usually a high pitched wheeze on inspiration Stertor is snoring

Question 6

How would you treat subglottic stenosis ?

Answer 6

Dilate airway

Question 7

What must you remember about a person (particularly child) with symptoms of respiratory distress?

Answer 7

They can very quickly progress into respiratory arrest

Question 8

What is the most important management in acute care ?

Answer 8

SECURE THE AIRWAY

Question 9

How would you treat someone in respiratory distress?

Answer 9

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Question 10

Why should tracheostomy be avoided?

Answer 10

Risk of mortality and morbidity, especially in children