The effects of space flight on orthostatic function were studied. LBNP tests (0 to -60 mmHg) were administered to 7 crew members preflight and 2 to 6 hrs after 6 to 9 day shuttle missions. Cardiac stroke volumes were obtained each minute by echo Doppler. Orthostatic responses are given. The data suggest a decline in postflight orthostatic function, as assessed by LBNP, due to reduced cardiac filling despite potentiated heart rate and vasoconstrictor reflex responses in most crew members.


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    Titel :

    Response to Graded Lower Body Negative Pressure (LBNP) after Space Flight


    Beteiligte:
    S. Fortney (Autor:in) / J. Charles (Autor:in) / M. Wood (Autor:in) / T. Dussack (Autor:in)

    Erscheinungsdatum :

    1994


    Format / Umfang :

    1 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




    Response to graded Lower Body Negative Pressure (LBNP) after space flight

    Fortney, S. / Charles, J. / Wood, M. et al. | NTRS | 1994


    Response to Graded Lower Body Negative Pressure (LBNP) After Space Flight

    United States; National Aeronautics and Space Administration / United States; Air Force | British Library Conference Proceedings | 1993



    Responses to graded lower body negative pressure after space flight

    Fortney, Suzanne M. / Charles, John B. / Wood, Margie et al. | NTRS | 1992


    Beinvolumenänderung unter "lower body negative pressure" (LBNP) in Abhängigkeit von der Lagerung

    Müller, Anna / Forschungsbereich Flugmechanik/Flugführung, Institut für Flugmedizin, Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt (DFVLR), Köln | TIBKAT | 1987