A 56-year-old female with a known history of seropositive rheumatoid arthritis maintained on etanercept injections presents complaining of right knee pain and swelling for two days. She has been in good health otherwise and denies fevers and chills. She reports stiffness in the right knee that lasts for longer than 1 hour. Her other joints are doing well. You perform an arthrocentesis and remove 30cc of clear fluid. You send the sample to the lab, and 24 hours later no organisms are seen. The patient follows up later that day. The best course of management for this patient is:
A. Biofeedback
B. Fentanyl patch
C. Intra-articular steroid injection to the right knee
D. Opiod "lollipop"
E. Referral to orthopedist for consideration of knee replacement
Answer: C
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Biomechanics
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