A 40 yrs old man, was admitted with fracture shaft femur following a road traffic accident. On 2nd day he became disoriented. He was found to be tachypnoeic, and had conjunctival petechiae. Most likely diagnosis is:: (A) Pulmonary embolism, (B) Sepsis syndrome, (C) Fat embolism, (D) Hemothorax
Answer is C. Patient with history of fracture of long bone becomes tachypnoeic on the 2nd day and development of conjunctival petechiae indicates fat embolism. Ref: Rockwood and Green's 'Fractures in Adult', 2nd Edition, Page 482