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Chest, Vol 83, 853-859, Copyright © 1983 by American College of Chest Physicians
ARTICLES |
PJ De Feyter, MJ van Eenige, DH Dighton and JP Roos
A consecutive series of 179 survivors of acute myocardial infarction had a symptom-limited 12-lead electrocardiographic treadmill exercise test, coronary angiographic studies, and left ventriculograms six to eight weeks after infarction. The exercise-induced ST-segment responses were correlated with the presence of multivessel disease, the presence of advanced left ventricular wall motion abnormalities (LVWMA), and ejection fraction. Each type of ST-segment response in patients after infarction has its own specific predictive value. ST-segment depression indicated multivessel disease. ST-segment elevation indicated advanced LVWMA and low ejection fraction. Concomitant ST-segment depression and ST-segment elevation indicated both multivessel disease and advanced LVWMA.
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