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Design and evaluation of a pneumatic pulse monitor for use during magnetic resonance imaging

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Abstract

We describe a portable, battery-operated instrument designed to monitor pulsations in the finger or toe. The monitor is based on pneumatic principles and is suitable for use in the electromagnetically harsh environment of magnetic resonance imaging. A compliant Silastic chamber is deformed with each cardiac pulsation; the resulting pressure wave is then transmitted along a 25-ft (7.5-m) microbore tube to a pressure sensor in a remote electronic monitor.

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Authors and Affiliations

  1. From the Department of Anaesthesia and The Research Institute, The Hospital for Sick Children, Toronto

    George A. Volgyesi

  2. Institute of Biomedical Engineering and Department of Anaesthesia, University of Toronto, Canada

    D. John Doyle MD, PhD

  3. Tri-Hospital Magnetic Resonance Centre, Toronto, Ontario, Canada

    Walter Kucharczyk MD & Mary Jane Hele (RN)

Authors
  1. George A. Volgyesi
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  2. D. John Doyle MD, PhD
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  3. Walter Kucharczyk MD
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  4. Mary Jane Hele
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Volgyesi, G.A., Doyle, D.J., Kucharczyk, W. et al. Design and evaluation of a pneumatic pulse monitor for use during magnetic resonance imaging. J Clin Monitor Comput 7, 186–188 (1991). https://doi.org/10.1007/BF01618122

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  • DOI: https://doi.org/10.1007/BF01618122

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