A patient had a femur fracture for which internal fixation was done. Two days later, the patient developed sudden onset shoness of breath with low-grade fever. What is the likely cause?
(A) Pneumothorax (B) Fat embolism (C) Pleural effusion (D) Congestive hea failure
(B) Answer- B. Fat embolism"Fat embolism is a common phenomenon following limb fractures. Circulating fat globules larger than 10 pm in diameter occur in most edults after closed fractures of long bones and histological traces of fat can be found in the lungs and other internal organs.