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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

    Altitude-Adjusted PERC Rule

    Rules out PE; similar to PERC Rule but allows SpO₂ adjustment for high altitude.
    When to Use

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    Next Steps
    Evidence
    Creator Insights
    Dr. Stephen J. Wolf

    About the Creator

    Stephen J. Wolf, MD, is a professor of emergency medicine at the University of Colorado School of Medicine in Denver, CO. He is also the director of service at Denver Health Emergency Medicine. Dr. Wolf’s primary research is focused on evaluation of adult patients presenting to the ED with suspected acute venous thromboembolic disease.

    To view Dr. Stephen J. Wolf's publications, visit PubMed

    Are you Dr. Stephen J. Wolf? 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.
    About the Creator
    Dr. Stephen J. Wolf
    Are you Dr. Stephen J. Wolf?