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[Biomedical technique in physiology (author's transl)].

H Pessenhofer, P Kerschhaggl, G Schwaberger

    Wiener Medizinische Wochenschrift (1946)
    |June 30, 1979
    PubMed
    Summary
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    Engineering methods enhance physiological research. System-theoretical approaches analyze circulation regulation, while ultrasound Doppler signal analysis quantifies blood flow and rheology.

    Area of Science:

    • Physiology
    • Biomedical Engineering
    • Medical Signal Processing

    Context:

    • Physiological research increasingly integrates engineering methodologies for advanced analysis.
    • Circulatory regulation and ultrasound Doppler signal characteristics are key areas for quantitative investigation.

    Purpose:

    • To demonstrate the application of engineering methods, specifically system-theoretical and signal analysis techniques, in physiological research.
    • To investigate the overall regulation of circulation under working conditions and quantify determinants of ultrasound-CW-Doppler signals.

    Summary:

    • System-theoretical methods were used to analyze heart-rate responses to workload variations, yielding parameters for statistical evaluation and diagnostics.
    • Ultrasound-CW-Doppler signals were analyzed using statistical functions and tube models to quantify volume flow and assess rheological properties of blood.

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    Impact:

    • Provides a framework for applying engineering principles to physiological studies, enabling more precise data analysis and diagnostic capabilities.
    • Enhances the quantitative assessment of hemodynamic parameters and blood properties using non-invasive ultrasound techniques.