A patient suffer of chronic obstructive lung disease for about 10 years

A patient 53 year old suffer of chronic obstructive lung disease for about 10 years. He recently develops an episode of aching in the distal extremities in both wrists.There is a 10-lb weight loss. The skin over the wrists is warm and erythematous. Plain film is shows periosteal thickening.

What should you do?
a. Start ciprofloxacin
b. Chest x-ray
c. Aspirate both wrists
d. Begin gold therapy