Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Adverse effects
Systematic review	238 children with either croup or bronchiolitis 7 RCTs in this analysis	Increase in heart rate with adrenaline with baseline
	1 previously healthy 11-year old child with severe croup treated with 3 nebulised doses of racemic adrenaline within 60 minutes	Ventricular tachycardia with 3 doses of nebulised adrenaline within 60 mins with baseline