The electrocardiogram and vectorcardiogram in the diagnosis of the old inferior myocardial infarction

Seventy-five patients were studied 4 weeks to 5 years after an acute myocardial infarction of the inferior wall. The electrocardiogram continued to present one or more diagnostic criteria of this infarction in 60 patients (80%) and it was equivocal or negative in the remaining 15 patients (20%). The...

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Veröffentlicht in:Journal of electrocardiology 1973, Vol.6 (4), p.319-323
Hauptverfasser: Toutouzas, Pavlos, Avgoustakis, Demitris, Koroxenides, Gabriel, Athanassiou, Vassilis
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Sprache:eng
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Zusammenfassung:Seventy-five patients were studied 4 weeks to 5 years after an acute myocardial infarction of the inferior wall. The electrocardiogram continued to present one or more diagnostic criteria of this infarction in 60 patients (80%) and it was equivocal or negative in the remaining 15 patients (20%). The vectorcardiogram was found more accurate in making the diagnosis of the old inferior infarction. By employing the criteria currently used, the vectorcardiogram was positive in 69 patients (92%) and equivocal or negative in the remaining 6 patients (8%). In this work the diagnostic significance of the ratio of the maximal superior deviation over the maximal inferior deviation of the QRS loop (QY/RY) in old inferior infarction was also studied. This ratio was found abnormal in 96% of the patients studied. It is suggested that further studies on the subject are needed as the ratio QY/RY may be proved a reliable diagnostic criterion of the inferior infarction.
ISSN:0022-0736
1532-8430
DOI:10.1016/S0022-0736(73)80054-8