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

    Hepatic Encephalopathy Grades/Stages

    West Haven Criteria. Defines criteria for the stages of hepatic encephalopathy.
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    When to Use
    Why Use
    • Patients with known cirrhosis and prior hepatic encephalopathy.
    • Patients with or without known cirrhosis but suspected liver disease and altered mental status.

    The West Haven Criteria allow providers to classify severity of encephalopathy, communicate clearly about a patient's level of consciousness, and trend changes in their mental status.

    Result:

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    Evidence
    Creator Insights

    Advice

    • Lactulose is a standard treatment for hepatic encephalopathy
    • Ammonia testing may be helpful diagnostically or trending levels
    • There should always be consideration to other causes of altered mental status in these patients, as they are at high risk for comorbidities including bleeding, infection, drug interactions, and electrolyte disturbances.
    Dr. Peter Ferenci

    About the Creator

    Peter Ferenci, MD, is a professor of medicine at the Medical University of Vienna, Austria. He practices within the department of internal medicine, gastroenterology and hepatology. He is Dr. honoris causae at the University of Cluj Napoca, Romania and the Semmelweis University, Budapest. Dr. Ferenci has published over 600 articles and abstracts on subjects including treatment of chronic viral hepatitis, inherited liver diseases and liver failure.

    To view Dr. Peter Ferenci's publications, visit PubMed