of 88 survivors , 10 of the 35 ( 29 % ) who did not have a history of arrhythmias on entry developed tachyarrhythmias , and 20 of 33 ( 38 % ) who did have symptomatic arrhythmias on entry had no symptoms at last follow-up .
C0080203
tachyarrhythmias
C0003811
arrhythmias