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      Diastolic Perfusion Time and Exercise Posture in Coronary Artery Disease Patients: Correlation with ST Segment Changes

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          Abstract

          The relationship between either heart rate or diastolic time and ST segment depression has been evaluated during supine and upright exercise in 16 coronary artery disease patients. Diastolic perfusion time and ST segment depression were related by a linear regression, which was independent of exercise posture. The entity of ST segment depression was greater during supine than in upright exercise for the same heart rate. The assessment of the relationship between heart rate and diastolic perfusion time during two exercises showed that at the same heart rate, diastolic perfusion time was shorter in supine posture. In conclusion, the greater entity of ST segment depression induced by supine rather than upright exercise might be explained by the effect of supine posture on diastolic perfusion time.

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          Author and article information

          Journal
          CRD
          Cardiology
          10.1159/issn.0008-6312
          Cardiology
          S. Karger AG
          0008-6312
          1421-9751
          1992
          1992
          14 November 2008
          : 81
          : 1
          : 75-80
          Affiliations
          Department of Internal Medicine, Division of Cardiology, 2nd Medical School, University of Naples, Italy
          Article
          175779 Cardiology 1992;81:75–80
          10.1159/000175779
          1477858
          © 1992 S. Karger AG, Basel

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          Page count
          Pages: 6
          Categories
          Exercise and Cardiac Rehabilitation

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