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Related Experiment Videos

Digital beat-to-beat cardiotachometer.

L J Stotts, W M Portnoy

    American Journal of Physical Medicine
    |April 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    A new digital cardiotachometer was developed using integrated circuits and programmed read-only memory. This design improves power efficiency and accuracy for heart rate monitoring and similar devices.

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    Area of Science:

    • Biomedical Engineering
    • Digital Electronics

    Background:

    • Accurate heart rate monitoring is crucial for various medical applications.
    • Existing cardiotachometers may face limitations in power consumption and accuracy.

    Purpose of the Study:

    • To develop a novel beat-to-beat cardiotachometer with enhanced performance.
    • To explore the application of programmed read-only memory in physiological monitoring devices.

    Main Methods:

    • Construction of a digital cardiotachometer using integrated circuits.
    • Incorporation of a programmed read-only memory (PROM) for improved functionality.
    • Testing the device within a heart rate range of 27 to 199 beats per minute.

    Main Results:

    • The constructed cardiotachometer operates effectively within the specified range.

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  • The use of PROM resulted in reduced power consumption.
  • Accuracy of the cardiotachometer was significantly enhanced.
  • Conclusions:

    • The developed digital cardiotachometer offers improved power efficiency and accuracy.
    • The circuit technique utilizing PROM is adaptable for other physiological measurement devices, like digital thermometers.
    • This approach can effectively address nonlinearities in voltage-physiological variable relationships.