Her urine analysis showed excess white cells, but urine culture was negative. The level of urea nitrogen blood (BUN)was 19 mmol/L and creatinine 379 lmol/L. Her condition deteriorated, further investigations showed deterioration of the renal function, as her serum creatinine was >500 lmol/L, and BUN was 25 mmol/L. She also had severe hypocalcaemia (1.7 mmol/L), which explained her tingling and pain sensations in the fingers, the arpopedal spasm, and renal osteodystrophy. Complete blood cell count showed microcytic,hypochromicanaemia (Hb 7 g/L). Also, the biochemistry test revealed mild hypophosphatemia, hypomagnesaemia, but normal electrolytes.