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Distribution of potassium and sodium in the heart of various animals

  • Biochemistry and Biophysics
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Bulletin of Experimental Biology and Medicine Aims and scope

Summary

The total potassium and sodium content was studied in various portions and tissues of the heart of 25 frogs, 40 rats, 26 rabbits, 3 cats, 2 dogs and 18 oxen. The myocardium of different portions of the heart may be placed in the following order according to the rise of the potassium content: the right and left auricle, the right and left ventricle. The sodium content in these portions decreases in reverse order to the potassium. Level K/Na coefficient for auricular myocardium approaches 1, and for ventricular myocardium, 2. In specific muscles of the ox heart the content of potassium is lower than in the myocardium and increases from the sinus and atriventricular nodes to the bundle of His and the fasciculi of the bundle of His. The sodium content therein has a reverse distribution gradient. Their K/Na coefficients are correspondingly 0.4, 0.6 and 0.8. The sum of potassium and sodium content in the myocardium of auricles and ventricles is the same. The sinus and atrioventricular nodes are characterized by the highest sum of potassium and sodium level as compared with other portions of the conduction system and myocardium.

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Authors and Affiliations

  1. Laboratory of Clinical Physiology Institute of Normal and Pathological Physiology of the AMN SSSR, Moscow

    V. S. Sal'manovich

  2. Institute of Therapy of the AMN SSSR, Moscow

    V. S. Sal'manovich

Authors
  1. V. S. Sal'manovich
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Sal'manovich, V.S. Distribution of potassium and sodium in the heart of various animals. Bull Exp Biol Med 54, 1239–1243 (1963). https://doi.org/10.1007/BF00785596

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  • DOI: https://doi.org/10.1007/BF00785596

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