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The authors compared the sensitivity of the simple dipyridamole test (DP test) and the dipyridamole test combined with an isometric load (DP + HG test). Evaluation by means of two-dimensional echocardiography was used. The sensitivity and specificity of the DP test, in case of a 50% or greater stenosis of one or several coronary arteries, as a criterion of classification of the group was 45% and 100%, as compared with 72% and 100% in the combined DP + HG test. The correct diagnosis was confirmed by a selective reference coronarographic findings in all patients. The electrocardiographic changes alone in both tests were positive for IHD only in 9 and 17% resp. Ergometry was more sensitive (44%) than electrocardiographically evaluated changes, using the mentioned intervention tests, but it did not attain the sensitivity of the echocardiographic evaluation. The work indicates that temporary changes of the regional kinetics evaluated by two-dimensional echocardiography are a highly specific manifestation of myocardial ischaemia which developed during a load, and these changes are detected sooner and more frequently than associated electrocardiographic changes.
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E Mandysová, and
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E Mandysová, and
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V Cervenka, and
T Sládková
April 1984,
Kardiologiia,
