Impact and frequency ranking definitions, adapted from Coderre et al 43
| Weight | Impact | Frequency | ||
| Topic/skill is⦠| Medical/traumatic condition (eg, stroke) | General knowledge or skill (eg, healthcare system or scene size-up) | Medical/traumatic condition (eg, stroke) | General knowledge or skill (eg, healthcare system or scene size-up) |
| β1 | Non-urgent | Little use in providing appropriate care | Rarely seen | Rarely used |
| β2 | Serious, but not immediately life threatening | Some use in providing care appropriate care | Relatively common | Occasionally used |
| β3 | Life-threatening emergency | Extremely useful in providing care | Very common | Frequently used |