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      Variability in the Detection of a Fourth Heart Sound – Its Clinical Significance in Elderly Subjects

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          Abstract

          Phonocardiographic recordings were obtained in 39 elderly patients (ages 49–82 years) in order to detect the presence or absence of a fourth heart sound (S<sub>4</sub>). The group included 20 patients with no known cardiac disease and 19 with overt clinical heart disease. Each subject was also examined clinically by two independent observers. An S<sub>4</sub> was heard in 5 patients of the normal group by one clinician and in 9 by the other. In patients with heart disease, an S<sub>4</sub> was heard in 8 cases by the first clinician and in 11 by the second one. An S<sub>4</sub> was recorded in 11 of the 39 patients, including 4 of 20 normals and 7 of 19 with heart disease. None of the differences between groupswas statistically significant. It is concluded that in elderly subjects, an S<sub>4</sub> may occurin the absence of overt heart disease.

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          Author and article information

          Journal
          CRD
          Cardiology
          10.1159/issn.0008-6312
          Cardiology
          S. Karger AG
          0008-6312
          1421-9751
          1974
          1974
          29 October 2008
          : 59
          : 1
          : 49-56
          Affiliations
          Cardiology Section, Department of Medicine, West Side Veterans Administration Hospital, and the Abraham Lincoln School of Medicine, University of Illinois at the Medical Center, Chicago, III
          Article
          169663 Cardiology 1974;59:49–56
          10.1159/000169663
          4417506
          © 1974 S. Karger AG, Basel

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          Page count
          Pages: 8
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