Clincial feature of fat embolism includes all excepts -: (A) Tachypnoea, (B) Systmic hypoxia may occur, (C) Fat globules in urine are diagnostic, (D) Manifests after several days of trauma
Answer is D. Clinical features of fat embolisms are evident within 1-3 days. About 25 percent of patients develop symptoms within 12 hours and 75 percent within 36 hours.