Why do Infants Wheeze Flashcards
1
Q
What is ‘wheeze’?
A
Wheeze originates from the intra-thoracic airways due to airway wall swelling and altered airway mechanics
2
Q
Define ‘stridor’
A
Obstruction of airway OUTSIDE of chest cavity, head more on INSPIRATION
3
Q
What is the difference between wheeze and stridor?
A
Wheeze = obstruction of lower respiratory tract heard more on EXPIRATION Stridor = obstruction of airway OUTSIDE of chest cavity, head more on INSPIRATION
4
Q
How does asthma affect the airways on a cellular level?
A
> Goblet cell hyperplasia
Thickened sub-basement membrane
Cellular infiltrate
5
Q
What are bronchogenic cysts?
A
Have a thin wall with ciliated columnar lining which may contain cartilage and smooth muscle. Some have gastro-oesophageal mucosa and may be air or fluid-filled.