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      Calc Function

    • Calcs that help predict probability of a diseaseDiagnosis
    • Subcategory of 'Diagnosis' designed to be very sensitiveRule Out
    • Disease is diagnosed: prognosticate to guide treatmentPrognosis
    • Numerical inputs and outputsFormula
    • Med treatment and moreTreatment
    • Suggested protocolsAlgorithm

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    Patent Pending

    Montreal Cognitive Assessment (MoCA)

    Screens for mild cognitive impairment and Alzheimer's disease.
    When to Use
    Pearls/Pitfalls
    Why Use

    Patients with suspect mild cognitive impairment (MCI). This includes patient and family reported gradual memory loss not otherwise explained by an alternative psychiatric, medical, or neurological cause that has been present for ≥6 months.

    • Patients with <12th grade education receive an extra point, to account for education-related bias.
    • Allows for quantifiable monitoring of cognitive decline.

    • More sensitive for MCI than the Mini Mental Status Exam (MMSE) (90% vs 18%), with many patients who have a normal MMSE demonstrating an abnormal score on the MoCA.

    • Early identification of MCI allows for initiation of testing, treatment, and future planning by the patient and their family. For patients exhibiting symptoms of dementia, MMSE may be more appropriate.

    • Quick and easy tool that can be used in the primary care setting in <10 mins to screen for mild cognitive impairment.

    • Reliability has been validated with a high correlation coefficient for test and retest.

    • Validated to screen for MCI preceding Alzheimer dementia, vascular dementia, behavioral variant frontotemporal dementia, and hypertensive arteriopathy after TIA or minor stroke.

    No
    +1
    Yes
    0
    Visuospatial/executive


    Completed correctly
    +1
    Did not complete correctly
    0


    Completed correctly
    +1
    Did not complete correctly
    0
    Correctly drew all features (i.e., contour, numbers, and hands)
    +3
    Correctly drew two out of three features (i.e., two out of contour, numbers, and hands)
    +2
    Correctly drew contour only
    +1
    Correctly drew numbers only
    +1
    Correctly drew hands only
    +1
    None of the above
    0
    Naming

    Named lion
    +1
    Did not name lion
    0
    Named rhinoceros
    +1
    Did not name rhinoceros
    0
    Named camel
    +1
    Did not name camel
    0
    Memory
    Completed both trials correctly
    Did not complete both trials correctly
    Attention
    Repeated correctly
    +1
    Did not repeat correctly
    0
    Repeated correctly
    +1
    Did not repeat correctly
    0
    <2 errors
    +1
    ≥2 errors
    0
    4 or 5 correct
    +3
    2 or 3 correct
    +2
    1 correct
    +1
    0 correct
    0
    Language
    Repeated correctly
    +1
    Did not repeat correctly
    0
    Repeated correctly
    +1
    Did not repeat correctly
    0
    Named ≥11 words
    +1
    Named <11 words
    0
    Abstraction
    Answered correctly
    +1
    Did not answer correctly
    0
    Answered correctly
    +1
    Did not answer correctly
    0
    Delayed recall
    Recalled all words
    +5
    Recalled 4 words
    +4
    Recalled 3 words
    +3
    Recalled 2 words
    +2
    Recalled 1 words
    +1
    Did not recall any words
    0
    Orientation
    All correct
    +6
    5 correct
    +5
    4 correct
    +4
    3 correct
    +3
    2 correct
    +2
    1 correct
    +1
    None correct
    0

    Result:

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    Next Steps
    Evidence
    Creator Insights
    Dr. Ziad S. Nasreddine

    About the Creator

    Ziad S. Nasreddine, MD, FRCP(C), is an assistant clinical professor at both McGill University and the University of Sherbrooke in Quebec, Canada. He is also director of the MoCA Clinic and Institute in Quebec. Dr. Nasreddine’s research focuses primarily on Alzheimer's and cognitive impairment diseases.

    To view Dr. Ziad S. Nasreddine's publications, visit PubMed

    Are you Dr. Ziad S. Nasreddine? 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.
    Content Contributors
    • Emma Oberlander, DO
    About the Creator
    Dr. Ziad S. Nasreddine
    Are you Dr. Ziad S. Nasreddine?
    Content Contributors
    • Emma Oberlander, DO