1. Site
The Canterbury Hospital Emergency Department NSW, a metropolitan ED with annual census of around 25,000 patient presentations.

2. Design
Phase 1 and 2 – Collaborative development of electronic interface
Before and after retrospective chart audit of eligible cases

3. Study Population
Eligible cases will be identified through existing patient tracking databases. Inclusion criteria will be

1. Age over 16 years.
2. Presented to the Emergency Department with a diagnosis of acute asthma

Exclusion criteria are

1. History of cognitive impairment or residing in nursing care facilities.