[PO-2-PCO-2-pH-nomograms for rat blood at 37 degrees C (author's transl)]. 1975

R Bork, and P Vaupel, and G Thews

In order to determine the interdependence of the parameters of the respiratory gas transport in rat blood (Sprague-Dawley) CO-2-equilibration curves in fully oxygenated and deoxygenated blood are measured. The results are presented in the form of pH-log P-CO-2-diagrams. O-2-dissociation curves of rat blood are registered at different CO-2 partial pressures. The P-02 at S-02 equals 50% ranged between 27.7 mm Hg for P-C0-2 equals 20 mm Hg. 35.1 mm Hg for P-C0-2 equals 40 mm Hg and 42.2 for P-C0-2 equals 60 mm Hg. Cartesian and alignment nomograms are constructed using CO-2 equilibration curves and O-2 dissociation curves. These nomograms give the interrelations between P-O-2, P-CO-2, pH and S-0-2 of rat blood. Separate nomograms are presented for Hb-concentrations of 10-13 g-% and 13.1-16 g-% because of great variations of Hb concentration in rat blood. If two of these values are known the nomograms permit the reading of the remaining paramters.

UI MeSH Term Description Entries
D008297 Male Males
D010100 Oxygen An element with atomic symbol O, atomic number 8, and atomic weight [15.99903; 15.99977]. It is the most abundant element on earth and essential for respiration. Dioxygen,Oxygen-16,Oxygen 16
D010313 Partial Pressure The pressure that would be exerted by one component of a mixture of gases if it were present alone in a container. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) Partial Pressures,Pressure, Partial,Pressures, Partial
D001769 Blood The body fluid that circulates in the vascular system (BLOOD VESSELS). Whole blood includes PLASMA and BLOOD CELLS.
D002245 Carbon Dioxide A colorless, odorless gas that can be formed by the body and is necessary for the respiration cycle of plants and animals. Carbonic Anhydride,Anhydride, Carbonic,Dioxide, Carbon
D004347 Drug Interactions The action of a drug that may affect the activity, metabolism, or toxicity of another drug. Drug Interaction,Interaction, Drug,Interactions, Drug
D005260 Female Females
D006400 Hematocrit The volume of packed RED BLOOD CELLS in a blood specimen. The volume is measured by centrifugation in a tube with graduated markings, or with automated blood cell counters. It is an indicator of erythrocyte status in disease. For example, ANEMIA shows a low value; POLYCYTHEMIA, a high value. Erythrocyte Volume, Packed,Packed Red-Cell Volume,Erythrocyte Volumes, Packed,Hematocrits,Packed Erythrocyte Volume,Packed Erythrocyte Volumes,Packed Red Cell Volume,Packed Red-Cell Volumes,Red-Cell Volume, Packed,Red-Cell Volumes, Packed,Volume, Packed Erythrocyte,Volume, Packed Red-Cell,Volumes, Packed Erythrocyte,Volumes, Packed Red-Cell
D006452 Hemoglobinometry Measurement of hemoglobin concentration in blood. Hemoglobinometries
D006863 Hydrogen-Ion Concentration The normality of a solution with respect to HYDROGEN ions; H+. It is related to acidity measurements in most cases by pH pH,Concentration, Hydrogen-Ion,Concentrations, Hydrogen-Ion,Hydrogen Ion Concentration,Hydrogen-Ion Concentrations

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