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      Clinical Utility of the Simultaneous Recording of Heart and Korotkoff Sounds

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          Abstract

          Heart and arterial sounds and murmurs for a sequence of as many as 100 successive beats are recorded on a single print. The apparatus consists of a cathode ray oscilloscope, a Q-wave trigger to release the beam, a vertical axis which is connected to the blood pressure cuff, and an intensity modulation circuit which determines the intensity of the beam at each instant. This arrangement eliminates the baseline and thereby permits the display of low intensity acoustic signals. Data on normal subjects, and patients with various heart diseases are illustrated. Advantages and limitations of the method are discussed.

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          Author and article information

          Journal
          CRD
          Cardiology
          10.1159/issn.0008-6312
          Cardiology
          S. Karger AG
          0008-6312
          1421-9751
          1976
          1976
          29 October 2008
          : 61
          : 2
          : 98-111
          Affiliations
          City of Hope Medical Center, Duarte, Calif.
          Article
          169751 Cardiology 1976;61:98–111
          10.1159/000169751
          975132
          © 1976 S. Karger AG, Basel

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          Page count
          Pages: 14
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