My mother 66 Y, has BP since last 30 years, Thyroid since last 20 years and CKD since last 15 years. Latest results are serum creatinine=4.5 mg/dL, Uric acid = 6.3 mg/ dL Phosp= 5 mg/dL, Sodium =127.9 meq/L, Pot = 4.5 mEq/L, TSH= 0.01 uIU/L,Urin = protein 2+ present (100 mg/dL) She has symptoms of nausea, extreme poor appetiite, swelling ins legs since last 2 days, not able to stand up, feeling extremely exhausted, mentally very tired. Is this consequence of kidney problem. What precautions should she take, should she go for dialysis or there is some other test required