CAM-ICU (Confusion Assessment Method, ICU)
CAM-ICU delirium screen (Ely 2001): positive when feature 1 (acute onset or fluctuating course) AND feature 2 (inattention) AND either feature 3 (altered consciousness, RASS != 0) or feature 4 (disorganized thinking).
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Feature 1
- Yes
- Feature 2
- Yes
- Feature 3
- Yes
- Feature 4
- No
Result: CAM-ICU positive: feature 1 + feature 2 + (feature 3 or feature 4) per Ely 2001. Delirium present; review precipitants per SCCM PADIS 2018.
The tool opens with these values already filled in. Replace them with your own.
What the result means
- negative
- CAM-ICU negative per Ely 2001 (no delirium detected).
- positive
- CAM-ICU positive per Ely 2001 (delirium present); review precipitants per SCCM PADIS 2018.
What you enter
- Feature 1: acute onset of mental-status change or fluctuating course
- Feature 2: inattention (>= 2 ASE errors)
- Feature 3: altered level of consciousness (current RASS != 0)
- Feature 4: disorganized thinking
How this is calculated
Ely EW, Inouye SK, Bernard GR, et al. Delirium in mechanically ventilated patients: validity and reliability of the Confusion Assessment Method for the ICU (CAM-ICU). JAMA. 2001;286(21):2703-2710. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.