the indications for pacemaker implantation were : complete atrioventricular block in 39 cases ( postoperative 16 , congenital 22 , acquired 1 ) , sinus node disease in 17 cases ( postoperative 13 , cardiomyopathy 3 , normal heart 1 ) and romano-ward syndrome in 1 case .
C0878544
cardiomyopathy
C0018787
heart