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': 'Which of the following is NOT indicated in Digitalis poisoning - \nSelect and explain. \nA. Potassium, B. Hemodialysis, C. Phenytoin, D. Lidocaine', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Hemodialysis Hemodialysis & Diuretics are not effective.", 'role': 'assistant'}]