Critical-Care Pain Observation Tool (CPOT) — free guideline decision tool
Critical-Care Pain Observation Tool (CPOT), a behavioral pain scale for patients unable to self-report.
Open guideline tool →Guideline-based
Implements the decision logic from published clinical guidelines.
Runs in your browser
No installation. Enter the patient's values and get a guideline recommendation instantly.
Data stays local
Nothing is uploaded. Results are for licensed clinicians only.
Worked calculation
The values below come from this tool's own example placeholders and are computed server-side with the formula shown on this page, so the arithmetic can be checked quickly. It demonstrates how to substitute values only — it is not clinical advice and not a real case.
| Facial expression | Relaxed, neutral (0) |
|---|---|
| Body movements | No movement/normal (0) |
| Muscle tension (passive flexion/extension of the upper limb) | Relaxed (0) |
| Ventilator compliance (intubated) / vocalization (extubated) | Tolerating ventilation/normal vocalization (0) |
→CPOT0 pts
- Total：0 pts (max 8) → ≤ 2: no significant pain
- Management direction：Maintain current analgesia; reassess regularly before and after procedures (turning, suctioning, etc. can provoke pain)
- Note：CPOT has 4 items each 0–2 (facial expression, body movements, muscle tension, ventilator compliance/vocalization), total 0–8; cutoff > 2 indicates significant pain. Observe at rest for 1 minute for a baseline, then reassess during noxious procedures; suitable for patients unable to self-report (intubated/sedated/altered consciousness)
| Facial expression | Grimacing (eyes closed/teeth clenched) (2) |
|---|---|
| Body movements | Restlessness (pulling tubes/trying to sit up/striking out) (2) |
| Muscle tension (passive flexion/extension of the upper limb) | Very rigid, resistant (2) |
| Ventilator compliance (intubated) / vocalization (extubated) | Fighting the ventilator/crying out (2) |
→CPOT8 pts
- Total：8 pts (max 8) → > 2: significant pain present
- Management direction：Give/adjust analgesia (analgesia-first, then sedation concept); manage procedure-related pain (pre-analgesia before turning/suctioning/line placement); reassess
- Note：CPOT has 4 items each 0–2 (facial expression, body movements, muscle tension, ventilator compliance/vocalization), total 0–8; cutoff > 2 indicates significant pain. Observe at rest for 1 minute for a baseline, then reassess during noxious procedures; suitable for patients unable to self-report (intubated/sedated/altered consciousness)
Common questions
What is Critical-Care Pain Observation Tool (CPOT)?
Critical-Care Pain Observation Tool (CPOT), a behavioral pain scale for patients unable to self-report.
How is Critical-Care Pain Observation Tool (CPOT) calculated? What is the core formula?
Four domains (facial expression, body movements, muscle tension, and ventilator compliance or vocalization) each scored 0–2; total 0–8; a score > 2 suggests significant pain warranting analgesia.
When is Critical-Care Pain Observation Tool (CPOT) used?
Use to assess pain in nonverbal/sedated/ventilated ICU patients by scoring four behavioral domains.
What are the key clinical points for Critical-Care Pain Observation Tool (CPOT)?
CPOT relies on observable behavior, making it usable when self-report is impossible (original synthesis · not guideline verbatim). A change in score after an analgesic is a useful response indicator, not just the absolute value. Self-report remains the gold standard whenever the patient can communicate.
What are the limits and cautions when using Critical-Care Pain Observation Tool (CPOT)?
For licensed clinicians and clinical researchers. Interpret results with history, investigations and local protocols; not a diagnosis or prescription, and not a substitute for multidisciplinary decision-making or local guidelines.
How is Critical-Care Pain Observation Tool (CPOT) calculated in practice? Can you show a worked example?
Inputs: Facial expression Relaxed, neutral (0), Body movements No movement/normal (0), Muscle tension (passive flexion/extension of the upper limb) Relaxed (0), Ventilator compliance (intubated) / vocalization (extubated) Tolerating ventilation/normal vocalization (0) → Result: CPOT 0 pts（Total: 0 pts (max 8) → ≤ 2: no significant pain, Management direction: Maintain current analgesia; reassess regularly before and after procedures (turning, suctioning, etc. can provoke pain), Note: CPOT has 4 items each 0–2 (facial expression, body movements, muscle tension, ventilator compliance/vocalization), total 0–8; cutoff > 2 indicates significant pain. Observe at rest for 1 minute for a baseline, then reassess during noxious procedures; suitable for patients unable to self-report (intubated/sedated/altered consciousness)） Inputs: Facial expression Grimacing (eyes closed/teeth clenched) (2), Body movements Restlessness (pulling tubes/trying to sit up/striking out) (2), Muscle tension (passive flexion/extension of the upper limb) Very rigid, resistant (2), Ventilator compliance (intubated) / vocalization (extubated) Fighting the ventilator/crying out (2) → Result: CPOT 8 pts（Total: 8 pts (max 8) → > 2: significant pain present, Management direction: Give/adjust analgesia (analgesia-first, then sedation concept); manage procedure-related pain (pre-analgesia before turning/suctioning/line placement); reassess, Note: CPOT has 4 items each 0–2 (facial expression, body movements, muscle tension, ventilator compliance/vocalization), total 0–8; cutoff > 2 indicates significant pain. Observe at rest for 1 minute for a baseline, then reassess during noxious procedures; suitable for patients unable to self-report (intubated/sedated/altered consciousness)）
Run Critical-Care Pain Observation Tool (CPOT) now
Critical-Care Pain Observation Tool (CPOT), a behavioral pain scale for patients unable to self-report.
Open guideline tool →For licensed clinicians. Not a substitute for clinical judgement.
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