title: Relationship of QRS amplitude changes during exercise to left ventricular function and volumes and the diagnosis of coronary artery disease.
mesh_terms: D000328:Adult; D000368:Aged; D001794:Blood Pressure; D002306:Cardiac Volume; D003327:Coronary Disease / Q000175:diagnosis* / Q000000981:diagnostic imaging; D004562:Electrocardiography; D005080:Exercise Test; D006339:Heart Rate; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D011877:Radionuclide Imaging