This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Takotsubo Cardiomyopathy and Brugada Syndrome, Subject name: Medicine
[{'content': 'Which of the following is not done in W.P.W? \nSelect and explain. \nA. Treadmill test, B. Electrophysiological studies, C. Oral beta blocker, D. Procainamide', 'role': 'user'}, {'content': "Answer: A \nExplanation: C/I of treadmill test: 1) severe AS 2) DVT 3) Charcot's joint 4) WPW 5) MI in first 48 hours 6) Unstable angina during attack 7) Buerger's disease 8) Bilateral osteoahritis of knee", 'role': 'assistant'}]