Sudden death during ambulatory electrocardiography.
D000368:Aged; D000553:Ambulatory Care; D005117:Cardiac Complexes, Premature / Q000175:diagnosis*; D003645:Death, Sudden / Q000209:etiology*; D004562:Electrocardiography; D006801:Humans; D008297:Male; D014693:Ventricular Fibrillation / Q000175:diagnosis*