Use when applying validated ED decision rules to reduce unnecessary imaging or testing. Includes Ottawa ankle/knee rules, Canadian C-Spine rule, and the PERC rule.
This skill provides structured guidance for common ED decision rules used to reduce unnecessary imaging or testing while maintaining safety. It supports accurate input collection, rule application, and risk interpretation.
| Tool | Use |
|---|---|
| Ottawa Ankle Rules | Decide ankle or foot radiographs after ankle injury |
| Ottawa Knee Rules | Decide knee radiographs after acute knee injury |
| Canadian C-Spine Rule | Decide cervical spine imaging in alert trauma patients |
| PERC Rule | Exclude PE in low-risk patients without D-dimer |