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: Pharmacology
[{'content': 'The drug of choice in patient with Parkinson-White syndrome with fibrillation is - \nSelect and explain. \nA. Digitalis, B. Procainamide, C. Verapamil, D. Adenosine', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Procainamide In WPW syndromea) If there is life threatening rapid ventricular response DC cardioversion.b) In non-life threatening situations Lidocaine or procainamide are DOC, ibutilide is an alternative.o Radiofrequency catheter ablation of bypass tracts is the treatment of choice for permanant cure of WPW syndrome.", 'role': 'assistant'}]