hypertrophic cardiomyopathy - the high incidence of arrhythmias , particularly ventricular arrhythmias ( approx . 70 % of cases ) in hypertrophic cardiomyopathy is well recognized : episodes of ventricular tachycardia are present in 20 % of cases and are related to an elevated risk of sudden death .
C0003811
arrhythmias
C0085612
ventricular arrhythmias