TRUE/FALSE about post traumatic fat embolism syndrome: 1. Fracture mobility is a risk factor 2. Associated diabetes pose a risk factor 3. Bradycardia occurs 4. Thrombocytopenia 5. On ABG PaO2

Pulmonic type of fat embolism syndrome presents with tachypnoea and tachycardia. Diabetes is not mentioned as a risk factor for fat embolism syndrome. Risk factors for fat embolism syndrome include: Long bone fracture especially femur and tibia Multiple trauma with major visceral injuries and blood loss (incidence may be as high as 5-10%) Delay in fixation of bone and extensive reaming of medullary canal contribute to severity of fat embolism syndrome Patients with coexisting lung injury are at additional risk of fat embolism Hypoxemia (ABG PaO2 Ref: Barash Anesthesia 6/e, page 1388 ; Miller Anesthesia 6/e, page 2425 ; Maheswari 3/e, page 34 ; Apley's 8/e, page 535