in 6 patients with medicamentously therapy-refractory tachycardias ( 3 times auricular flutter/auricular fibrillation with very rapid atrioventricular conduction , once focal atrial tachycardia , once paroxysmal atrioventricular reentry tachycardia , once recurrent ventricular tachycardia on the basis of an interventricular reentry ) percutaneous transvenous catheter ablations of the atrioventricular conduction region ( bundle of his ablation , 5 cases ) and the right tawara branch ( 1 case ) , respectively , were performed .
C0039231
tachycardias
C0042514
ventricular tachycardia