in group 1 , the typical reentry tachycardia using the av node antegradely and the accessory pathway retrogradely was predominant , while in group 2 , complex arrhythmias ( atrial fibrillation + reentry tachycardia , tachycardias using the accessory pathway in both directions , reentry tachycardia + av-nodal tachycardia , isolated atrial fibrillation ) during electrostimulation could be induced . all except 1 patient in whom no tachycardia could be initiated were in group 1 ( statistically significant difference ) .
C0003811
arrhythmias
C0004238
atrial fibrillation