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
Clinical feature of fat embolism includes all except: 
Select and explain. 
A. Tachypnoea and Systemic hypoxia may occur both, B. Fat globules in urine are diagnostic and Manifests after several days of trauma both, C. Petechiae in the anterior chest wall, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: A, B, C i.e. Tachypnoea; Systemic hypoxia may occur; Fat globules in urine are diagnostic; Manifests after several days of trauma; Petechiae in the anterior chest wall