Exercise testing early after myocardial infarction.
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.
D000328:Adult; D000368:Aged; D017023:Coronary Angiography; D003327:Coronary Disease / Q000175:diagnosis*; D003331:Coronary Vessels; D004562:Electrocardiography; D005080:Exercise Test; D006321:Heart / Q000503:physiopathology*; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000503:physiopathology*; D011336:Probability; D013318:Stroke Volume; D013997:Time Factors