in addition , multiprogrammable `` '' non-committed '' '' av sequential ( dvi , mn and ddd , m ) pacemakers were permanently implanted to treat different forms of ventricular tachyarrhythmias that included : torsade de pointes in the romano-ward syndrome and chagas ' cardiomyopathy , ventricular tachycardia which is bradycardia-dependent ( in chagas ' cardiomyopathy ) and reciprocal beats induced by , and producing severe hemodynamic derangements in a patient with a conventional vvi unit .
C0040479
: torsade de point
C0042514
, ventricular tachycard