Corrected formula for estimating peripheral blood flow by impedance plethysmography

作者: G. D. Jindal , S. N. Nerurkar , S. A. Pednekar , J. P. Babu , A. C. Bhuta

DOI: 10.1007/BF02524237

关键词: Mathematical formulaMathematical analysisAmplitudeElectrical resistivity and conductivityElectrical impedanceSurgeryEstimation theoryPeripheral blood flowBlood flowMaterials sciencePlethysmographBiomedical engineeringComputer Science Applications

摘要: In this paper, the limitations of conventional formula for computation peripheral blood flow from impedance plethysmograms are highlighted, and a correction to is suggested. A conductivity cell experiment described show dependence value index (BFI), obtained formula, on mean resistivity cell. It also shown that corrected BFI independent resistivity. Anomalies observed in amplitude systolic waves patients with oedema explained.

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