<prompt> Clinical feature of fat embolism includes all except:Tachypnoea and Systemic hypoxia may occur bothFat globules in urine are diagnostic and Manifests after several days of trauma bothPetechiae in the anterior chest wallAll of the above  <response>: 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 