NEWS2 / MEWS escalation + re-assessment timer

Turns a NEWS2 or MEWS total into an observation interval.

Open the tool → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.

Example

Most recent NEWS2 total
5
Vitals taken at
2026-05-19T14:00

Result: Aggregate 5: urgent response; min 1-hourly; next due 2026-05-19T15:00 per RCP NEWS2 2017.

The tool opens with these values already filled in. Replace them with your own.

What the result means

0
Min 12-hourly observations.
1-4
Min 4-6 hourly; ward-based response.
single 3
Min 1-hourly + urgent ward-team review.
5-6
Urgent response; min 1-hourly; consider critical-care outreach.
>=7
Emergency critical-care team activation; continuous monitoring.

What you enter

The most recent NEWS2 total, when the vitals were taken, and whether any single parameter scored 3.

What this is

Enter the most recent score, when the vitals were taken, and whether any single parameter scored 3, and it returns how soon the next set of observations is due and the timestamp they fall due at.

When to use it

Use it on the ward when a deteriorating-patient score needs to become a concrete re-check time. A single red-trigger parameter escalates the interval on its own, independent of the total. Escalation to a rapid-response or outreach team is a local-protocol decision, not an output of this tool.

How this is calculated

Royal College of Physicians. National Early Warning Score (NEWS) 2: Standardising the assessment of acute-illness severity in the NHS. RCP, London 2017 (NEWS2 trigger / response table). Read the source ↗

A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.

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Built by Clay Good. Source on GitHub.