A two year old child with a long history of purulent nasal discharge & fever now presents with conjunctival congestion and edema. His fever is 102deg/103degF and WBC count 12,000. The culture of eye discharge was negative. X-rays show opacification of ethmoid sinus. Which of the following should be the next step in evaluating this patient?
CT Scan Urine Culture Blood culture Repeat culture of eye discharge