Skip to content
ClinCalc Pro
Menu
Paediatrics Emergency Medicine Standard clinical tool — RCPCH endorsed

Paediatric Early Warning Score (PEWS)

Identifies deteriorating children in hospital using age-appropriate vital sign thresholds.

Pallor / mottling / cyanosis + capillary refill time

RR + work of breathing + SpO₂ on O₂

Score interpretation

Low Risk 0–2

PEWS 0–2: Low risk. Standard monitoring.

→ Continue routine observations per ward protocol.

Medium Risk 3–4

PEWS 3–4: Increased risk. Increased monitoring.

→ Alert nurse in charge. Increase obs frequency (min hourly). Consider medical review within 30 min.

High Risk 5–99

PEWS ≥5: High risk. Urgent medical review required.

→ IMMEDIATE paediatric medical review. Inform registrar/consultant. Consider PICU referral if no improvement. Prepare for emergency escalation.

Interpretation bands for the PEWS. Apply clinical judgement and local guidance.

References

Related

Curated clinical cross-links plus same-class fallbacks.

📚 MRCEM Revision

Featured in these MRCEM clinical pathways

The PEWS is covered in detail — with RCEM/NICE evidence base, indications and pitfalls — in the following exam-focused pathways on our sister siteReviseMRCEM.

MRCEM Primary / Intermediate / OSCE candidates: each pathway includes exam-style questions, RCEM/NICE citations, and FAQ summaries.

Decision support only — verify against a current formulary, NICE, or your local guideline before clinical use.