[Estimation of local fraction of cardiac output in the view of the active diastole theory].
Is shown, that as against single-phase model of pulse hemodynamics (the theory of passive diastole), the expression of pulse component in formula of definition of stroke volume on chest rheography explains satisfactorily in the view of two-phase model (the theory of active diastole). The new original rheographic index of blood supply of a studied vascular zone--local fraction of cardiac output is offered. Calculation of the given parameter has much in common with calculation of quantitative definition with pulse component of stroke volume, but is calculated under more simple formula and can practically be used for any site of cardiovascular system.
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D001158:Arteries / Q000502:physiology; D002302:Cardiac Output / Q000502:physiology*; D002307:Cardiography, Impedance / Q000379:methods; D003971:Diastole / Q000502:physiology*; D006801:Humans; D008955:Models, Cardiovascular; D013318:Stroke Volume