Pathology of Respiratory Tract Infections Flashcards
1
Q
What are some upper respiratory tract infections?
A
Croup
Laryngitis
sinusitis
acute epiglottitis
sore throat syndrome
common cold
2
Q
What pathogen causes acute epiglottitis?
A
H. flu (type B)
Group A beta-haemolytic streptococci
3
Q
What are some lower respiratory tract infections?
A
Bronchitis
Bronchiolitis
Pneumonia
4
Q
How are particles cleared from the lungs?
A
Phagocytosis by alveolar macrophages
Clearance by muco-ciliary escalator
Coughing
5
Q
What is bronchiectasis?
A
Pathological dilatation of bronchi due to:
-severe infection
-recurrent infection
-proximal bronchial obstruction
-parenchymal obstruction
6
Q
Symptoms of bronchiectasis?
A
Cough
Foul smelling sputum
Coarse crackles, clubbing
