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What is A 22 year old male is admitted with fracture of the left femur. Two days later, he becomes mildly confused, has a respiratory rate of 40/min and scattered patechial rash on his upper torso. Chest X-ray shows patchy alveolar opacities bilaterally. His aerial blood gas analysis is abnormal. The most likely diagnosis is and explain in detail?
D i.e. Fat embolism