Viral episodic wheeze
Definition
Non-atopic LRT disorder
in pre-school children
Epidemiology
Common in young children
(<5y, peaks age 3y)
Pathophysiology
Agent
Common cold viruses e.g. RSV
Mechanism
Small airways in young childrren more likely to
narrow and obstruct due to inflammation in
response to viral infection
Risk factors
Maternal smoking
During/after pregnancy
M>F
Clinical
presentation
Diagnosis
Management
Prognosis
Usually resolves by 5y
Coryza
Cough
Wheeze
Episodic, during viral infection
Examination
Investigations
History
Per asthma
Resp
Wheeze, dry cough, corzya
POH
Bloods, scans, growth, gestation,
delivery, weight, complications
PMH
Growth and development
Known medical conditions
PC/HPC
Wheeze, cough, coryza
Previous episodes
DH
Meds, allergies
FH
Viral wheeze, asthma
SH
Living arrangements, nursery/school,
parental smoking status
Bedside
Obs (fever etc.)