Biochemistry on admission
| Serum glucose | Serum Na+ | Serum K+ | Serum urea | Serum creatinine | Urine ketones* | Serum osmolality† | |
|---|---|---|---|---|---|---|---|
| *Normally no ketones are detected on stick testing of urine. | |||||||
| †(2[Na++K+])+urea+glucose, using serum concentrations; dangerous if outside 240–330 mOsm/kg. | |||||||
| Patient | 55 mmol/l | 135 mmol/l | 4.0 mmol/l | 14.1 mmol/l | 149 μmol/l | 0 | 357 mOsm/kg |
| Normal reference range | 3–6 mmol/l | 135–145 mmol/l | 3.5–5.0 mmol/l | 2–8 mmol/l | 60–120 μmol/l | ||