Bronchiolitis Flashcards
1
Q
What is bronchiolitis?
A
Viral infection of bronchioles
2
Q
What ages does bronchiolitis affect?
A
< 2 years
3
Q
What organism causes bronchiolitis?
A
RSV = respiratory syncytial virus
4
Q
What is the pathophysiology of bronchiolitis?
A
Viral infection
- proliferation of goblet cells
- increased mucus
- inflammation
- bronchiolar constriction
- submucosal oedema
5
Q
What are risk factors for bronchiolitis?
A
Breast fed < 2 months
Smoke exposure
Siblings at nursery/school
Premature CLD
6
Q
What are the features of bronchiolitis?
A
Low grade fever Nasal congestion Rhinorrhea Cough Feeding difficulty Tachypnoea Inspiratory crackels Expiratory wheeze
7
Q
What investifations can be done for suspected bronchiolitis?
A
Nasopharyngeal aspirate
CXR - if uncertain
8
Q
How is bronchiolitis managed?
A
Supportive treatment
9
Q
What are indications for hospitalisation with bronchiolitis?
A
Apnoea Respiratory distress Cyanosis Sats <92% Poor fluid intake <50% RR >60
