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      Apex-Carotis Diagram as Related to Systolic and Diastolic Time Intervals in Myocardial Infarction

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          Abstract

          Simultaneous recordings of the electrocardiogram, phonocardiogram, carotid pulse tracing and left apex cardiogram were obtained in 32 patients with myocardial infarction and 62 normal subjects. This allowed to measure systolic and diastolic time intervals and to construct the apex-carotis diagram (ACD), a new mechanocardiographic method which integrates the carotid pulse tracing and the apexcardiogram in an orthogonal coordinate system. In myocardial infarction, the ACD showed a decrease of the field of ventricular filling, a decrease of the field of ventricular ejection and an increase of the diastolic subsegment A. The measurement of time intervals showed statistically significant information in those which were directly related to the deformation of the ACD in patients with myocardial infarction.

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          Author and article information

          Journal
          CRD
          Cardiology
          10.1159/issn.0008-6312
          Cardiology
          S. Karger AG
          0008-6312
          1421-9751
          1978
          1978
          31 October 2008
          : 63
          : 3
          : 129-138
          Affiliations
          Medical Academy, Faculty of Medicine, Department of Internal Disease, Varna
          Article
          169890 Cardiology 1978;63:129–138
          10.1159/000169890
          639072
          © 1978 S. Karger AG, Basel

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          Pages: 10
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