Table 1

 Serial biochemical investigations

10 Months before 3 Months before Admission Day 2 Day 2 Day 3 Day 4 Day 6 Day 7 Day 10
K+(mmol/l)5.24.76.96.55.56.45.35.35.33.8
Na+(mmol/l)138138137133137134 130 131 131 128
HCO3 (mmol/l)2214142019
Cl(mmol/l)102102
Urea (mmol/l)7.49.318.915.617.413.77.89.611.910.3
Creatinine (μmol/l)133161195176193167142144140147
  • Abnormal values in bold type.