Calc Function

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    A-a O₂ Gradient

    Assesses for degree of shunting and V/Q mismatch.

    mm Hg
    mm Hg
    %
    mm Hg
    years

    Result:

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    Dr. H. Fred Helmholz
    Dr. H. Fred Helmholz
    About the creator

    H. Fred Helmholz, MD, (d. 2012) spent most of his career at the Mayo Graduate School of Medicine. He was active in most aspects of respiratory care which included research and clinical practice in high-altitude medicine, oxygen therapy, pulmonary function testing, and mechanical ventilation.

    About the Creator
    Dr. H. Fred Helmholz
    Dr. H. Fred Helmholz
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