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  • Title: [Determination of cardiac output by means of an automatized thermal dilution technique (author's transl)].
    Author: Nechwatal W, Eversmann A, Bier P, König E.
    Journal: Klin Wochenschr; 1976 Jul 15; 54(14):677-82. PubMed ID: 790005.
    Abstract:
    Cardiac output was measured in 55 patients by the direct Fick method and an automatized thermodilution method. The results showed a good correlation (correlation factor r = 0.87, regression equation y = 0.91 x + 0.59). For the thermodilution method ice-cold normal saline solution as indicator substance was injected into the right atrium. The temperature-time-curve was measured by a thermistor located in the pulmonary artery. The area of indicator dilution was determined by electronic integration, the calculated cardiac output appeared as 1/min in digital display.
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