A 30 y.o. female with rheumatoid arthritis of five years duration complains of pain in the frist three fingers of her right hand over past 6 weeks. The pain seems especially severe at night often awakening her from sleep.The most likelly cause is?

Answer options

1. Atlanto-axial sublaxation of cervical spine
2. Carpal tunnel syndrome
3. Rheumatoid vasculitis
4. Sensory peripheral neuropathy
5. Rheumatoid arthritis without complication

Explanation

A 30 y.o. female with rheumatoid arthritis of five years duration complains of pain in the first three fingers of her right hand over past 6 weeks. The pain seems especially severe at night often awakening her from sleep. The most likely cause is?