National Early Warning Score (NEWS) 2
Enter vitals; choose hypercapnic SpO₂ scale 2 if prescribed target 88–92%; supplemental O₂ adds +2.
Calculator
How it works
NEWS2 aggregates physiological parameters for illness severity and escalation teaching (UK RCP).
Limits
Scale 2 only when hypercapnic failure is documented; pediatric and obstetric patients differ.
Educational tool only—not for diagnosis or treatment decisions.