Z. V. Urazaeva

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The optimal heart-rate was studied in natural conditions of hemodynamics and on stabilizing the left ventricle load and volume with a balloon. The coronary blood-flow was traced with the aid of electromagnetic fluorometer. Post-occlusion reactive hyperemia estimated reserves of the coronary blood-flow. On stabilizing the left ventricle load and volume, its(More)
It was demonstrated in experiments on dogs, that the stimulation of dynamic heart nerves of sympathetic and parasympathetic origin (which evoke positive and negative inotropic effects) was associated with the change of contents of phosphorus fractions (inorganic phosphorus, adenosinetriphosphate and phosphocreatine) and, like-wise, in the change of(More)
An experimental study was carried out on the effect of rhythmic nerves (causing chronotropic effect) on the change of the cardiac rhythm and tissue respiration, the content of ATP, CP, inorganic phosphorus and glycogen. In positive chronotropic effect, resynthesis of ATP expended on contraction of the cardiac muscle takes place mainly by utilization of CP(More)