My sister aged 35 diagnosed with with RA since last 3 year . At beginning she had severe joint pain and other symptoms but since a year she is not having any pain related issue. But recently we have tested RA Factor which counts upto 121 Now since a month she is having chest paint occasionaly She has done 2D echo as suggested by physician but everything is normal. Is this pain and weakness related to Rhemotid Arthitis ? Please advise furthe treatment on this