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  • Title: [Cardiac muscle malacia as the factor inhibiting myocardiac electric stimulation, as seen in echocardiographic examination].
    Author: Scotto Di Quacquaro G, Franciulli V, Di Napoli T, Punzi M, Giovine F.
    Journal: Minerva Med; 1980 Aug 25; 71(30):2157-9. PubMed ID: 7432650.
    Abstract:
    In this present research work the Authors think that a preliminary echocardiography study may be useful to evoluate the type of answer of the cardiac muscle to the artificial stimulus; they deem, forthmore, thot, among the ecocardiografic obtainable parameters the principle importance must be attributed to the velocity of contraction of the circumference fibres (Vef) and to the velocity of the motion of the back wall in a sistolic phase the cases like the one mentioned in the text, with marked reduction of the motion and with Vef of 0.25 circ./sec, according to the Authors can't be stimulated through the employment of a stimulating endocavitle catheter, but they require, for a sure stimulation, the application of the epicardic electrodes.
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