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      Comparative Observations of the Impairment of Autonomic Responses in Chronic Chagas' Heart Disease and in African Myocardiopathies

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          Abstract

          Failure to increase heart rate following administration of atropine and greatly-reduced reflex changes in cardiac rate during acutely-induced alterations in blood pressure in chronic chagasic cardiac patients are believed to be a functional disorder related to degeneration of the neuronal supply to the sino-atrial region of the heart. The fact that patients with myocardiopathies of other etiologies respond differently than the Chagas'' cases strengthens the evidence for the specific loss of autonomic control in the latter.

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          Author and article information

          Journal
          CRD
          Cardiology
          10.1159/issn.0008-6312
          Cardiology
          S. Karger AG
          0008-6312
          1421-9751
          1970
          1970
          29 October 2008
          : 55
          : 6
          : 321-332
          Affiliations
          School of Medicine of Ribeirão Prêto, University of São Paulo, São Paulo, University of Cape Town, Cape Town, and Makerere University College, Kampala
          Article
          169296 Cardiology 1970;55:321–332
          10.1159/000169296
          © 1970 S. Karger AG, Basel

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          Page count
          Pages: 12
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