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Minimising stimulator artefacts in electromagnetic flow signals

  • Physiological Measurement
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Abstract

Simultaneous electrical stimulation of tissue with the measurement of blood flow using an electromagnetic flowmeter system almost invariably results in large flow measurement inaccuracies. These inaccuracies are because the electrical energy from stimulating artefacts is amplified along with the flow signals. The paper describes the building and use of an inexpensive circuit to remove stimulation artefacts from electromagnetic flow measurements.

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References

  • Montgomery, G. D. andScher, A. M. (1974) A stimulator for use with electromagnetic flowmeters.J. Appl. Physiol.,37, 927–929.

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Authors and Affiliations

  1. Department of Psychiatry, The University of Texas Health, Science Center, 7703 Floyd Curl Drive, 78284, San Antonio, TX, USA

    S. H. Borcherding

  2. Anaquest, Division of BOC Health Care, 100 Mountain Avenue, 07974, Murray Hill, NJ, USA

    J. L. Robinson

Authors
  1. S. H. Borcherding
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  2. J. L. Robinson
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Borcherding, S.H., Robinson, J.L. Minimising stimulator artefacts in electromagnetic flow signals. Med. Biol. Eng. Comput. 26, 17–19 (1988). https://doi.org/10.1007/BF02441822

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  • DOI: https://doi.org/10.1007/BF02441822

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