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    Attention COACH STUDY participants:

    The principal investigators of the study request that you use the official version of the modified score here.

    Free Water Deficit in Hypernatremia

    Calculates free water deficit by estimated total body water.
    Pearls/Pitfalls
    This tool provides an estimate of free water deficit based on a patient's body weight; this can be incorrect in patients with signfiicant weight gain or loss (especially from fluid sources).
    Female
    Male
    Child
    Adult
    Elderly
    lbs
    mEq/L
    mEq/L

    Result:

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    Next Steps
    Evidence
    Creator Insights
    Dr. Nicolaos E. Madias

    About the Creator

    Nicolaos E. Madias, MD, is the chair of the department of medicine at the St. Elizabeth's Medical Center in Boston, Massachusetts. He is also a professor of medicine, specializing in Nephrology, at the Tufts University School of Medicine. Dr. Madias has co-authored over 100 articles published in peer reviewed journals.

    To view Dr. Nicolaos E. Madias's publications, visit PubMed

    Are you Dr. Nicolaos E. Madias? 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. Nicolaos E. Madias
    Are you Dr. Nicolaos E. Madias?