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
[{'content': 'Which of the following is the treatment of choice for Atrial Fibrillation in patients with WPW Syndrome who are hemodynamically unstable: \nSelect and explain. \nA. Procainamide, B. Digoxin, C. DC Cardioversion, D. Radiofrequency Ablation of the bypass tract', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Answer is C (DC Cardioversion) DC Cardioversion is the treatment of choice to terminate Atrial Fibrillation in patients with WPW Syndrome who are hemodynamically unstable (Life threatening Situations).', 'role': 'assistant'}]