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  • Indicator dilution  (2)
  • 1980-1984  (2)
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  • 1980-1984  (2)
Year
  • 1
    Electronic Resource
    Electronic Resource
    Stroke volumes and ventricular volumes determined from indicator dilution curves, Part 2 (1981)
    Springer
    Medical & biological engineering & computing 19 (1981), S. 461-469 
    Details
    ISSN: 1741-0444
    Keywords: Indicator dilution ; Stroke volumes ; Ventricular volumes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract A flow simulator designed to produce well defined pulsatile flows of water through two series-connected compartments is used to simulate either the right or the left side of the heart. The stroke volume and the diastolic volume of one of the compartments can be preset to desired values. In 14 experiments comprising 102 indicator recordings cold 5% dextrose solution and ink, were used as indicators being injected as boli at a defined instant during the pumping cycle by means of a power injector. A data-retrieval procedure based on a mathematical two-compartment model is used to calculate stroke volumes and ventricular volumes using the indicator recordings as input data. The results are compared with the actual volumes and acceptable agreement was obtained in nine experiments.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02441313
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Stroke volumes and ventricular volumes determined from indicator dilution curves, Part 1 (1981)
    Springer
    Medical & biological engineering & computing 19 (1981), S. 457-460 
    Details
    ISSN: 1741-0444
    Keywords: Indicator dilution ; Mathematical models ; Ventricular volumes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract A mathematical model describing the dilution of indicator substance into a pulsatile flow through two series-connected mixing compartments was used for the determination of the volumes of the compartments. When the volumes are of the same order of magnitude, minor errors in the experimentally determined parameters of the dilution curve can lead to gross errors in the calculated volume values. A data-retrieval procedure was developed, which to some extent takes into account the effect of experimental inaccuracy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02441312
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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