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Kinetocardiographic study of contractions of the left and right ventricles during the development of renovascular hypertension in dogs of different ages

  • Pathological Physiology and General Pathology
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Abstract

Kinetocardiograms of the left and right ventricles were recorded in puppies and adult dogs during development of experimental renovascular hypertension. The development of hypertension in adult dogs led to shortening of the expulsion period, but to its lengthening in puppies. Vector analysis of the kinetocardiograms showed that a syndrome of hypodynamia of the left ventricle, followed by a syndrome of high diastolic pressure, is observed in adult dogs; in puppies a phasic syndrome of high diastolic pressure, followed by a syndrome of stenosis of the outlet tract. The phase structure of the right ventricular cycle was marked by the appearance of a syndrome of hyperdynamia as detected previously in the adult dogs.

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Authors
  1. B. Ya. Zonis
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  2. V. B. Brin
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Zonis, B.Y., Brin, V.B. Kinetocardiographic study of contractions of the left and right ventricles during the development of renovascular hypertension in dogs of different ages. Bull Exp Biol Med 79, 386–388 (1975). https://doi.org/10.1007/BF00832703

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  • DOI: https://doi.org/10.1007/BF00832703

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