Investigations:

Investigations:
The diagnosis of RA usually done on clinical background.
The lab. Invest. is needed for confirmation of diagnosis or for monitoring of disease
--Acute phase response. ESR and CRP are elevated and may be not in isolated joint arthritis ..so normal values don’t exclude the diagnosis.

Investigations:
The diagnosis of RA usually done on clinical background.
The lab. Invest. is needed for confirmation of diagnosis or for monitoring of disease
--Acute phase response. ESR and CRP are elevated and may be not in isolated joint arthritis ..so normal values don’t exclude the diagnosis.

Investigations:
The diagnosis of RA usually done on clinical background.
The lab. Invest. is needed for confirmation of diagnosis or for monitoring of disease
--Acute phase response. ESR and CRP are elevated and may be not in isolated joint arthritis ..so normal values don’t exclude the diagnosis.

vvDisease Activity Score :DAS-28 is frequently used to assess the disease activity and response to treatment AND THE NEED FOR BIOLOGICAL THERAPY. TO CALCULATE DAS- 28 :Count the number of tender AND SWOLLEN joints IN UPPER LIMBS AND KNEES• Measure the ESR• Ask the patient to rate global activity of arthritis during thepast week using visual analogue scale (VAS) from 0 (no symptoms) to 100 (very severe)• Enter data into calculator or work out using a SPECIAL FORMULA. vv