This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Radiofrequency ablation is done for : 
Select and explain. 
A. Ventricular tachycardia, B. PSVT, C. WPW, D. Atrial tachycardia
C: WPW
Answer: C: WPW 
Explanation: Answer is C (WPW) `Ablation of bypass tract offers a permanent cure of supraventricular tachycardias. The advent of radiofrequency catheter ablation has viually eliminated the need for surgery.'