A 7 year Child, having fever off and on for one year, no cause could have been ascertained inspite of treatment and investigations. Now from one month child is having mild puffiness of eyes and swelling of right hand. With suspicion of medical renal disease and renal lupus, on 3rd October, I ordered tests as follows (with reports.); urire normal, CBC 10190, PBF normal, MP negetive, ESR 79 mm, LFT normal, RFT serum phosphorus 0.32 low , s. uric acid 0.32 low, S.

ds DNA is 10 negetive for R lupus, MT  negetive. In X-RAY of chest, flask shaped heart and 2D Echo of heart is normal with EF 71% How to diagnose this condition of child and treat? Please provide suggestions.