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





    Chief Complaint


    Organ System


    Patent Pending

    Blood Volume Calculation

    Calculates total blood volume, red blood cell volume, and plasma volume.
    When to Use

    Use when blood volumes are needed (e.g. RBC exchange, plasma exchange, coagulation factor drug dosing, RhIG dosing calculations).

    Total blood volume is calculated using Nadler’s equation.

    Preterm neonate
    Term neonate
    Infant aged 1-4 months
    Child <25 kg (55 lbs)
    Child ≥25 kg (55 lbs) or adult


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    Next Steps
    Creator Insights
    Dr. Samuel B. Nadler

    About the Creator

    Samuel B. Nadler, MD, (d. 1969) was the first head of the biophysics and nuclear medicine department at Touro Infirmary, later named the Nadler-Bloch Nuclear Medicine Department. He also served as the fifth president of the Southwestern Chapter of the Society of Nuclear Medicine and Molecular Imaging (SWC-SNMMI). Dr. Nadler is best known for his work with radioactive iodine and the thyroid.

    To view Dr. Samuel B. Nadler's publications, visit PubMed

    Content Contributors
    About the Creator
    Dr. Samuel B. Nadler
    Content Contributors