Bronchiolitis

Question 1

what is the pathogen most commonly seen in bronchiolitis?

Answer 1

respiratory syncytial virus (RSV)

Question 2

what is bronchiolitis characterised by?

Answer 2

acute bronchiolar inflammation

Question 3

what is the peak incidence of bronchiolitis?

Answer 3

3-6 months (90% are 1-9 months)

Question 4

why is the prevalence of bronchiolitis less in neonates?

Answer 4

maternal IgG protects against RSV

Question 5

what are the features of bronchiolitis?

Answer 5

coryzal symptoms precede:
* dry cough
* SOB
* wheezing, fine inspiratory crackles
* feeding difficulties

Question 6

what investigation can be done in bronchiolitis?

Answer 6

immunofluorescence of nasopharyngeal secretions may show RSV

Question 7

what is the management of bronchiolitis?

Answer 7

supportive
* O2 <92% = oxygen
* nasogastric feeding
* suction