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      Usefulness of M-Mode Echocardiography in the Diagnosis of Heart Failure

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          Abstract

          The utility of M-mode echocardiography in the diagnosis of heart failure (HF) was evaluated in a study of 70 patients with suspected HF (26 men and 44 women) and 63 control persons (26 men and 37 women), all aged 45–74 years. The patients were classified according to the certainty of HF diagnosis using the Boston criteria: 27 patients were defined as ‘unlikely’ to have HF, 19 as having ‘possible’ HF, and 24 as having ‘definite’ HF. In calculations of the sensitivities and specificities for echocardiographic variables in detecting ‘definite’ HF, the 95% confidence limits in the control group were used as cut-off point values. Sensitivities thus attained were 91% for mitral valve E point-septal separation (EPSS), 73% for left ventricular (LV) fractional shortening (FS), and 64% for peak rate of increase of LV diameter (PLR), respectively, and the specificities were 73, 88, and 78%, respectively. When EPSS, FS and PLR were all normal, the likelihood of’definite’ HF was as low as 7%. We conclude that M-mode echocardiography is actually a useful method in the diagnostic evaluation of patients with suspected HF, and it is more reliable in excluding than confirming the presence of HF.

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          Author and article information

          Journal
          CRD
          Cardiology
          10.1159/issn.0008-6312
          Cardiology
          S. Karger AG
          0008-6312
          1421-9751
          1991
          1991
          12 November 2008
          : 78
          : 3
          : 267-277
          Affiliations
          Departments of aMedicine and bClinical Physiology, Kuopio University Central Hospital, Kuopio, Finland
          Article
          174793 Cardiology 1991;78:267–277
          10.1159/000174793
          1868504
          © 1991 S. Karger AG, Basel

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          Page count
          Pages: 11
          Categories
          Diagnostic Cardiology

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