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    Patent Pending

    Confusion Assessment Method for the ICU (CAM-ICU)

    Establishes ability to detect delirium in high risk settings.
    When to Use
    Pearls/Pitfalls
    Why Use

    The CAM-ICU should be used daily on all patients admitted to the ICU even if they are mechanically ventilated.

    • Delirium has been shown to be associated with worse outcomes in critically ill patients. It remains underdiagnosed given its sometimes subtle presentation.
    • The CAM-ICU score is a validated and commonly used score to help monitor patients for the development or resolution of delirium.
    • It is an adaptation of the Confusion Assessment Method (CAM) score for use in ICU patients.
    • Since the first step of the score consists of identifying an “acute change from mental status baseline”, it may be difficult to use in patients in whom the neurologic baseline is unknown.
    • If a patient’s neurologic baseline changes during the course of his hospitalization (such as a new CVA for example), then the new baseline should be used for any new assessment.
    • In order for the CAM-ICU score to be accurate, patients should not be sedated, or have a RASS of 0.
    • Delirium affects up to 89% of ICU patients and has been shown to result in higher mortality. The relative risk of death increases for each day the patient remains delirious. Prompt recognition of this condition is therefore important.
    • To this day delirium remains a clinical diagnosis. Few clinical tools have been demonstrated to be useful in helping identify the presence or absence of delirium.
    Level of Consciousness
    No
    Yes

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    Creator Insights
    Dr. Sharon K. Inouye

    About the Creator

    Sharon K. Inouye, MD, MPH, is director of the Aging Brain Center and a professor of medicine at Harvard Medical School and Beth Israel Deaconess Medical Center. She received her medical degree at University of California San Francisco, and her MPH from Yale University. Her research focuses on delirium and functional decline in hospitalized older patients, resulting in more than 200 peer-reviewed original articles.

    To view Dr. Sharon K. Inouye's publications, visit PubMed

    Are you Dr. Sharon K. Inouye? Send us a message to review your photo and bio, and find out how to submit Creator Insights!
    MDCalc loves calculator creators – researchers who, through intelligent and often complex methods, discover tools that describe scientific facts that can then be applied in practice. These are real scientific discoveries about the nature of the human body, which can be invaluable to physicians taking care of patients.
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