How do I interpret the 4AT Delirium Score?

0 = delirium unlikely. 1-3 = possible cognitive impairment. ≥4 = possible delirium. Takes <2 min. Replaced CAM in many UK/AU hospitals.

What is the evidence behind the 4AT Delirium Score?

The 4AT Delirium Score is based on the following published research: Bellelli G et al. Age Ageing 2014;43:496-502.

Critical Care

Rapid delirium screening tool

Alertness

AMT4 (Age, DOB, Place, Year)

Attention (Months Backwards)

Acute Change or Fluctuating Course

Quick sepsis screening outside ICU

Level of consciousness assessment

Sequential Organ Failure Assessment

National Early Warning Score for deterioration

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