This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'The drug of choice for supraventricular tachycardia is \nSelect and explain. \nA. Verapamil, B. Diltiazem, C. Digoxin, D. Phenytoin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Refer katzung 11e 243,244 KDT 6/e p517 Adenosine is drug of choice for paroxysmal supraventricular tachycardia termination Verapamil is a drug of choice for prophylaxis of paroxysmal supraventricular tachycardia and for the management of sustained supraventricular tachycardia', 'role': 'assistant'}]