Catheter ablation is useful for treating ventricular arrhythmia when drugs are ineffective. Monomorphic VT is a  suitable target for ablation. Ablation can be used for polymorphic VT or VF if an initiating PVC focus or substrate is accessible.
Ventricular tachycardia ablation
AV nodal ablation
Premature ventricular contraction ablation
Wolff-Parkinson-White syndrome catheter ablation
Atrial fibrillation catheter ablation
Wolff-Parkinson-White syndrome cardioversion
AVNRT medical therapy
AVNRT cardioversion