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Minimising stimulator artefacts in electromagnetic flow signals |
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| Authors: | S. H. Borcherding J. L. Robinson |
| Affiliation: | (1) Department of Psychiatry, The University of Texas Health, Science Center, 7703 Floyd Curl Drive, 78284 San Antonio, TX, USA;(2) Anaquest, Division of BOC Health Care, 100 Mountain Avenue, 07974 Murray Hill, NJ, USA |
| 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. |
| Keywords: | Cardiac pacing Electromagnetic flow probes Stimulation artefact |
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