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      Transient Myocardial Ischemia after Myocardial Infarction

      Cardiology

      S. Karger AG

      Myocardial ischemia, Acute myocardial infarction, Ambulatory monitoring, ST segments

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          Abstract

          Ambulatory ST-segment monitoring is a relatively new device in the evaluation of myocardial ischemia. The method is unique in allowing us to continuously examine the patient over an extended period of time in a changing environmental milieu. In survivors of acute myocardial infarction the prevalence of ambulatory or transient myocardial ischemia is lower than in patients with chronic, stable coronary artery disease. A greater proportion of ischemic episodes, however, are silent than in other subgroups with ischemic heart disease. Early after the infarction, transient myocardial ischemia exhibits a circadian variation with a peak activity occurring in the late evening hours. Patients with non-Q wave infarction have more transient myocardial ischemia, whereas thrombolytic therapy seems to result in less residual ischemia. Exercise testing is more sensitive than ambulatory monitoring in the detection of postinfarction myocardial ischemia. There appears to be a poor association between transient myocardial ischemia and severe left ventricular dysfunction. Transient myocardial ischemia has been shown to provide prognostic information in different subsets of patients with previous myocardial infarction, but there is considerable disagreement about how this is expressed in terms of cardiac events. The precise role of postinfarction ST-segment monitoring in clinical practice has yet to be established.

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          Author and article information

          Journal
          CRD
          Cardiology
          10.1159/issn.0008-6312
          Cardiology
          S. Karger AG
          0008-6312
          1421-9751
          1995
          1995
          18 November 2008
          : 86
          : 1
          : 8-14
          Affiliations
          Department of Cardiology B, Odense University Hospital, Odense, Denmark
          Article
          176823 Cardiology 1995;86:8–14
          10.1159/000176823
          7728794
          © 1995 S. Karger AG, Basel

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          Page count
          Pages: 7
          Categories
          Review

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