Based on the analysis and discussion of the results of this study pulse pressure waves and pulse flow waves, the reaction of arterial vessels to changes in hemodynamics when pulse waves pass through them, as well as literature data, the following assumptions can be made: – pulse pressure waves store the energy of the contracting myocardium in the form of a pressure gradient. Part of the energy of the pulse pressure wave front is spent on its propagation along the artery wall. Another portion of the pulse pressure wave energy is probably converted into a pulse flow wave, promoting the movement of a certain volume of blood into the artery; – the duration of the delay time of pulse waves relative to the phases of myocardial excitation and the cardiac cycle reflects the direction of the arterial vessels reaction to a rapid change in arterial blood pressure and blood flow to them. Under these conditions an increase in the delay time and a decrease in the velocity of pulse waves propagation indicate on relaxation the smooth myocytes of the arterial wall and vessel expansions. The delay time shortening and increase in the velocity propagation indicate on the reaction of narrowing arterial vessels.– pulse wave parameters encode a variety of information about the work of the heart (heart rate, rhythm, and stroke volume), the state of hemodynamics (blood pressure level and the dynamics of its changes, blood volume, blood flow velocity, and blood properties), and vessels reaction to their changes (constriction or dilation);
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