The AF was refractory to treatment with antiarrhythmic drugs. Pacemaker implantation for tachycardia–bradycardia syndrome was required as well as ablation for atrial flutter, and the patient ...

Atrioventricular nodal reentrant tachycardia is the most common form ... One pathway is slower and has a short refractory period, while the other is faster and has a long refractory period.

indicated for catheter ablation of drug refractory ventricular tachycardia (“VT”) in accordance with current treatment guidelines. The results of the study will be used to obtain premarket approval ...

This is considered a "short RP tachycardia" and is from AVNRT ... One pathway is slower and has a long refractory period while the other is faster and has a short refractory period.

indicated for catheter ablation of drug refractory ventricular tachycardia ("VT") in accordance with current treatment guidelines. The results of the study will be used to obtain premarket ...