Classification of electrocardiographic S-T segment changes in epidemiological studies of coronary heart disease. Preliminary evaluation of a new, modified classification, with particular reference to the prognostic significance of different types of S-T segment changes.
D000328:Adult; D003327:Coronary Disease / Q000175:diagnosis* / Q000453:epidemiology / Q000401:mortality; D004562:Electrocardiography / Q000145:classification*; D005080:Exercise Test; D005387:Finland; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D011379:Prognosis