For adults (≥16 yr). Designed for patients, families, and nurses to estimate the National Early Warning Score (NEWS2) and get a location-of-care prompt (Home / Day Care / IPD / ICU). This tool does not replace clinical judgment or emergency care.
Only use SpO₂ Scale 2 when a qualified clinician has told you that the target saturation range is 88–92% (e.g., chronic hypercapnic respiratory failure).
| Parameter | Value | Score |
|---|
If at any time there is severe breathlessness, blue/grey lips, severe chest pain, seizures, or the person is very difficult to wake, treat as emergency and go to the nearest emergency department.
≤8:3 | 9–11:1 | 12–20:0 | 21–24:2 | ≥25:3
Supplemental oxygenNo:0 | Yes:2
Consciousness (AVPU/C)Alert:0 | New Confusion or V/P/U:3
≤90:3 | 91–100:2 | 101–110:1 | 111–219:0 | ≥220:3
Pulse (beats/min)≤40:3 | 41–50:1 | 51–90:0 | 91–110:1 | 111–130:2 | ≥131:3
≤91:3 | 92–93:2 | 94–95:1 | 96–100:0
SpO₂ – Scale 2*≤83:3 | 84–85:2 | 86–87:1 | 88–92:0 | 93–94:1 | 95–96:2 | ≥97:3
*Use only if clinician has advised target 88–92% (e.g., hypercapnic respiratory failure).