Signal averaging methods to select patients at risk for lethal arrhythmias.
D006328:Cardiac Catheterization; D004562:Electrocardiography / Q000379:methods*; D005374:Filtration; D006321:Heart / Q000503:physiopathology; D006801:Humans; D008991:Monitoring, Physiologic; D012306:Risk; D013610:Tachycardia / Q000175:diagnosis* / Q000503:physiopathology; D014693:Ventricular Fibrillation / Q000175:diagnosis* / Q000503:physiopathology