PMID: 2097369Apr 1, 1990Paper

Impedance plethysmography: basic principles

Journal of Postgraduate Medicine
J P BabuG B Parulkar

Abstract

Impedance Plethysmography technique has been discussed with explanation of two compartment model and parallel conductor theory for the estimation of peripheral blood flow and stroke volume. Various methods for signal enhancement to facilitate computation of blood flow are briefly described. Source of error in the estimation of peripheral blood flow is identified and the correction has been suggested.

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