The immediate antecedents of sudden death.
D000328:Adult; D000368:Aged; D001145:Arrhythmias, Cardiac / Q000150:complications / Q000175:diagnosis / Q000401:mortality; D006332:Cardiomegaly / Q000150:complications; D003327:Coronary Disease / Q000175:diagnosis / Q000401:mortality*; D003645:Death, Sudden / Q000209:etiology*; D006333:Heart Failure / Q000150:complications / Q000401:mortality; D006801:Humans; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies