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  • Title: [Organization of reflex sympathetic influence on rate and force of cardiac contraction].
    Author: Izrail'tian IM, Alipov NN, Lepetiukh OL, Sokolov AV, Mikerina AG, Komarova OV.
    Journal: Biull Eksp Biol Med; 1992 Jul; 114(7):3-5. PubMed ID: 1421300.
    Abstract:
    In acute experiments on 21 cats it was proved that the change of afferent impulse on vagus nerves by means of either freeze-block or electrostimulation of their central ends results in differential reflex influences on rhythm and force of the cardiac contractions caused by sympathetic nervous system. The cut of the lower cardiac nerves may cause 'break-up' of the observed reflex, removing or inverting its ino- or chronotropy component. The given phenomenon was revealed in the experiments with high arterial pressure and with absence of tonic chronotropy influences of the left lower cardiac nerve.
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