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      Ventricular Premature Beats

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          Abstract

          The yield and reproducibility of various methods of ventricular premature beat (VPB) detection are examined in otherwise healthy middle-aged men first found to have VPB in a 2-min lead I ECG rhythm strip. With a combination of an isometric and treadmill exercise test, VPB were repeatedly detected in 83%. Test-retest reliability in classifying the subjects by frequency of VPB was 67%. The reliability of detecting complex VPB was 47% for multiform VPB, 35% for pairs of VPB, 17% for runs and 36% for VPB showing the R-on-T phenomenon. These data suggest that simple and complex VPB detected by the described methods among normal men are poorly reproducible in the individual. Taking the VPB reproducibility for the group as a whole, the proportion of subjects having different frequency or kinds of ectopic beats is reasonably stable for the different test occasions.

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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
          : 1
          : 53-63
          Affiliations
          Laboratory of Physiological Hygiene, School of Public Health, and, Department of Medicine, School of Medicine, University of Minnesota, Minneapolis, Minn.
          Article
          169881 Cardiology 1978;63:53–63
          10.1159/000169881
          618591
          © 1978 S. Karger AG, Basel

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          Page count
          Pages: 11
          Categories
          Exercise Testing and Rehabilitation in Cardiology

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