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In vivo Detection of Circulating Gas Emboli associated with Decompression Sickness using the Doppler Flowmeter

Nature volume 217, pages 965–967 (1968)Cite this article

Abstract

THE ultrasonic Doppler flowmeter1 has been used to measure blood flow in several animal species2,3 and man4,5 by monitoring the frequency shift produced in the scattering of ultrasonic waves by moving blood cells. The extreme sensitivity of this instrument to air bubbles in the circulating fluid is a familiar nuisance encountered during in vitro testing and calibration procedures. We have exploited this characteristic for the in vivo detection of circulating gas emboli in an animal decompressed rapidly from a hyperbaric environment.

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Authors and Affiliations

  1. Pacific Northwest Laboratory, Battelle Memorial Institute, Richland, Washington

    MURLIN F. GILLIS, PALMER L. PETERSON & MANUEL T. KARAGIANES

Authors
  1. MURLIN F. GILLIS
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  2. PALMER L. PETERSON
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  3. MANUEL T. KARAGIANES
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GILLIS, M., PETERSON, P. & KARAGIANES, M. In vivo Detection of Circulating Gas Emboli associated with Decompression Sickness using the Doppler Flowmeter. Nature 217, 965–967 (1968). https://doi.org/10.1038/217965a0

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