Dr Todd Way presented a useful ED tool for identifying the majority of important dermatological diagnoses.
The rash is first categorised as belonging to one of the following four groups.
- Petechial / Purpuric
- Erythematous
- Vesiculo-bullous
- Maculopapular
The algorithms below are then easily used to produce differential.
Try using this system with the 20 different rash diagnoses contained in Dr Way’s presentation
