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October 1974

Blood Gases: Hemoglobin, Base Excess and Maldistribution

Arch Intern Med. 1974;134(4):790. doi:10.1001/archinte.1974.00320220192044

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Not apparent from the title of this soft-cover, full-page size, spiral-bound volume is the nature of its contents. It contains a scant 19 pages of explanatory text with the balance devoted to three types of nomograms: (1) parallel line blood oxygen-carbon dioxide relationships modified from the original charts of Dill et al; (2) the same oxygen-carbon dioxide information presented in a coordinate form as originally proposed by Rahn and Fenn. (this is the standard form used to study alveolar gas exchange); and (3) maldistribution charts from which the effects of nonhomogeneity of distribution of blood and gas within the lung on blood gas composition can be determined. Modern computer technology has enabled the authors to prepare an extensive set of nomograms suitable for use over the broad range of abnormal blood gas values encountered in patients with cardiopulmonary diseases.

As noted in the preface, this is not a volume for

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