CART Score (Cardiac Arrest Risk Triage)
Cardiac Arrest Risk Triage score (Churpek 2012): a ward early-warning model from respiratory rate, heart rate, diastolic BP, and age banded to 0–57.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Respiratory rate
- 27 breaths/min
- Heart rate
- 145 bpm
- Diastolic blood pressure
- 38 mmHg
- Age
- 72 years
Result: CART 43/57 — markedly elevated risk of ward cardiac arrest within 48 h (> 20).
The tool opens with these values already filled in. Replace them with your own.
What the result means
- Risk
- A score > 20 marks markedly elevated risk of ward cardiac arrest within 48 hours; it outperformed MEWS in its derivation. A deterioration-risk stratifier, not a rapid-response order.
What you enter
- Respiratory rate
- Heart rate
- Diastolic blood pressure
- Age
How this is calculated
- Points
- RR (< 21/21–23/24–25/26–29/> 29 → 0/8/12/15/22); HR (< 110/110–139/> 139 → 0/4/13); diastolic BP (> 49/40–49/35–39/< 35 → 0/4/6/13); age (< 55/55–69/> 69 → 0/4/9). Total 0–57.
Churpek MM, Yuen TC, Park SY, Gibbons R, Edelson DP. Derivation of a cardiac arrest prediction model using ward vital signs. Crit Care Med. 2012;40(7):2102-2108. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.