Signal-averaged electrocardiography.
D003365:Costs and Cost Analysis; D003627:Data Interpretation, Statistical; D004562:Electrocardiography / Q000191:economics / Q000379:methods* / Q000706:statistics & numerical data; D006084:Graft Rejection / Q000175:diagnosis; D006331:Heart Diseases / Q000175:diagnosis* / Q000601:surgery; D016027:Heart Transplantation; D006801:Humans; D011237:Predictive Value of Tests; D012815:Signal Processing, Computer-Assisted; D013575:Syncope / Q000209:etiology; D016896:Treatment Outcome