• Describes an acute eheezy illness causes by a viral infection - small airways encounter a virus (RSV/rhinovirus) = inflammation of the airway - airway constriction.
• the small airways of a child means this has. anoticeable effect = wheeze, restricted ventilation and respiratory distress
• These children are at greater risk of developing asthma in later life

Viral induced wheeze vs asthma:

• presents before 3 yrs
• no atopic history
• only occurs during viral infections

PC

• SOB
• respiratory distress
• expiratory wheeze throughout the chest

Management

• same as acute asthma in children