[Investigation of the relationship between R-wave amplitude and left ventricular volume by exercise echocardiography].
D000328:Adult; D000787:Angina Pectoris / Q000503:physiopathology; D002306:Cardiac Volume; D004452:Echocardiography; D004562:Electrocardiography; D005080:Exercise Test; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008297:Male