Confusion Assessment Method for the ICU (CAM-ICU)
Delirium positive if acute change/fluctuation AND inattention AND (altered consciousness OR disorganized thinking).
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How it works
CAM-ICU is a brief validated tool for detecting delirium in critically ill adults who may not speak, using structured observation and attention tasks.
Limits
Requires training; unreliable in deep sedation, primary neurologic injury, or inability to assess attention.
Educational tool only—not for diagnosis or treatment decisions.