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': 'A 45 year old man comes to emergency with dizziness. He had supraventricular beats. He is on aspirin, atenolol and quinine. EKG Reveals Torsades De Pointes. He should be managed by: \nSelect and explain. \nA. Digoxin, B. Calcium, C. Magnesium, D. Atropine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Atropin', 'role': 'assistant'}]