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  • Title: [Dynamics of contraction of the left and right ventricles of the heart (according to kinetocardiography data) in the development of renovascular hypertension in dogs of various ages].
    Author: Zonis BIa, Brin VB.
    Journal: Biull Eksp Biol Med; 1975 Apr; 79(4):37-9. PubMed ID: 1191765.
    Abstract:
    Kinetocardiograms of the left and the right ventricles of the heart were recorded in puppies and adult dogs during development in them of experimental renovascular hypertension. Development of hypertension in adult dogs led to the shortening of ejection period, and in puppies--to its prolongation. The vector analysis of kinetocardiograms demonstrated in adult dogs the appearance of the syndrome of hypodynamics of the left ventricle replaced later by the syndrome of high diastolic pressure. In the puppies' left ventricle there appeared the phasic syndrome of high diastolic pressure replaced by the syndrome of stenosis of the exit tract. The phasic structure of the cycle of the right ventricle is characterized by the appearance of the syndrome of hyperdynamia detectable earlier in adult dogs.
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