Note: Choose SpO₂ scale 2 when hypercapnic respiratory failure is known or suspected. A lone parameter worth 3 points should prompt urgent review. Always combine NEWS2 with clinical judgment and local escalation rules.

Respiratory rate, breaths per minute *

≤8 +3 9-11 +1 12-20 21-24 +2 ≥25 +3

Hypercapnic respiratory failure *

SpO₂, % (scale 1)

≤91 +3 92-93 +2 94-95 +1 ≥96

SpO₂, % (scale 2 — hypercapnic failure)

≤83 +3 84-85 +2 86-87 +1 88-92 93-94 +1 95-96 +2 ≥97 +3

Room air or supplemental O₂ *

Temperature *

≤35.0°C (95°F) +3 35.1-36.0°C (95.1-96.8°F) +1 36.1-38.0°C (96.9-100.4°F) 38.1-39.0°C (100.5-102.2°F) +1 ≥39.1°C (102.3°F) +2

Systolic BP, mmHg *

≤90 +3 91-100 +2 101-110 +1 111-219 ≥220 +3

Pulse, beats per minute *

≤40 +3 41-50 +1 51-90 91-110 +1 111-130 +2 ≥131 +3

Consciousness *

Alert New confusion, responds to voice, responds to pain, or unresponsive +3

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Result

National Early Warning Score (NEWS) 2

Step-by-step mode. Answer each question and result updates automatically.

Questions

1 Respiratory rate, breaths per minute

2 Hypercapnic respiratory failure

3 SpO₂, % (scale 1)

4 SpO₂, % (scale 2 — hypercapnic failure)

5 Room air or supplemental O₂

6 Temperature

7 Systolic BP, mmHg

8 Pulse, beats per minute

9 Consciousness

Step 1 of 9 11%

Respiratory rate, breaths per minute *

Step 1 of 9

≤8 +3 9-11 +1 12-20 21-24 +2 ≥25 +3

Hypercapnic respiratory failure *

Step 2 of 9

SpO₂, % (scale 1)

Step 3 of 9

≤91 +3 92-93 +2 94-95 +1 ≥96

SpO₂, % (scale 2 — hypercapnic failure)

Step 4 of 9

≤83 +3 84-85 +2 86-87 +1 88-92 93-94 +1 95-96 +2 ≥97 +3

Room air or supplemental O₂ *

Step 5 of 9

Temperature *

Step 6 of 9

≤35.0°C (95°F) +3 35.1-36.0°C (95.1-96.8°F) +1 36.1-38.0°C (96.9-100.4°F) 38.1-39.0°C (100.5-102.2°F) +1 ≥39.1°C (102.3°F) +2

Systolic BP, mmHg *

Step 7 of 9

≤90 +3 91-100 +2 101-110 +1 111-219 ≥220 +3

Pulse, beats per minute *

Step 8 of 9

≤40 +3 41-50 +1 51-90 91-110 +1 111-130 +2 ≥131 +3

Consciousness *

Step 9 of 9

Alert New confusion, responds to voice, responds to pain, or unresponsive +3

All questions complete

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Live Result

Result

Royal College of Physicians. National Early Warning Score (NEWS) 2: Standardising the assessment of acute-illness severity in the NHS. Updated report of a working party. London: RCP; 2017.
Smith GB, Prytherch DR, Meredith P, Schmidt PE, Featherstone PI. The ability of the National Early Warning Score (NEWS) to discriminate patients at risk of early cardiac arrest, unanticipated intensive care unit admission, and death. Resuscitation. 2013;84(4):465-470.

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National Early Warning Score (NEWS) 2

All questions complete

National Early Warning Score (NEWS) 2

Respiratory rate, breaths per minute *

Hypercapnic respiratory failure *

SpO₂, % (scale 1)

SpO₂, % (scale 2 — hypercapnic failure)

Room air or supplemental O₂ *

Temperature *

Systolic BP, mmHg *

Pulse, beats per minute *

Consciousness *

All questions complete

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