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: Anaesthesia
[{'content': 'Propofol infusion syndrome is characterized by \nSelect and explain. \nA. Hypokalemia, B. Hypolipidemia, C. Bradycardia, D. Tachycardia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Propofol infusion syndrome occurs when propofol infusion is continued for more than 48 hours\n\nSevere metabolic acidosis\nAcute cardiacfailure\nHyperkalemia\nHyperlipidemia\nSkeletal myopathy\nRefractory bradycardia.', 'role': 'assistant'}]