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: Surgery
[{'content': 'True about fat embolism \nSelect and explain. \nA. Seen one week after injury, B. Patechie, C. Bradycardia, D. All', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Patechae', 'role': 'assistant'}]