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• Link to online tool:
  • https://www.mdcalc.com/calc/1870/confusion-assessment-method-icu-cam-icu </aside>

Diagnostic Validity

• ↑ Higher = bad

Limitations

• Hard to detect the hypoactive subtype of delirium → Low consciousness patient can’t hear you

Head-to-head Comparison with other tests

vs. 4AT (<4) :

Protocol

• Talk to the patient

Interpretation

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Positive test = Acute onset + Inattention + (Disorientation or Decreased LOC)

“ IA + D or L “

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