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Blood flow and blood velocity measurementin vivo by electromagnetic induction

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Abstract

The application of electromagnetic induction to the measurement of blood flow and blood velocityin vivo is reviewed. The electronics requirements are discussed and the associated problems are surveyed. An account is given of Bevir's virtual-current theory and its application to various flow and velocity measuring devices. The devices at present known to be in use or under development are reviewed under the following headings: invasive local-magnetic-field devices, which include cannular and perivascular flowmeters; intravascular velometers and flowmeters, invasive extracorporeal field perivascular and intravascular flowmeters; and noninvasive systems which either utilise skin electrodes and a separate extracorporeal magnet or comprise an integral extracorporeal flowmeter. There is a brief discussion of the present state of development

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Wyatt, D.G. Blood flow and blood velocity measurementin vivo by electromagnetic induction. Med. Biol. Eng. Comput. 22, 193–211 (1984). https://doi.org/10.1007/BF02442744

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