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': 'Digitalis given to atrial flutter often produces ? \nSelect and explain. \nA. Atrial fibrillation, B. Atrial tachycardia, C. Atrial asystole, D. Atrial bigeminy', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Atrial fibrillation o Digitalis may conve the atrial flutter to atrial fibrillation by reducing atrial ERP and making it homogenous. o This is a welcome response because control of ventricular rate is easier in atrial fibrillation than in atrial flutter. o This digitalis induced atrial flutter may reves to sinus rhythm (normal rhythm).", 'role': 'assistant'}]