From: Premature baby with extreme hyponatraemia (95 mmol per litre): a case report
Variable | Reference range | On presentation | 12 h treatment | 24 h treatment | 4 days treatment |
---|---|---|---|---|---|
Na (mmol/litre) | 135 – 145 | 94 | 116 | 128 | 134 |
K (mmol/litre) | 3.5 – 5.3 | 5.2 | 3.6 | 4.7 | 2.8 |
Creatinine (micromole/litre) | 58 – 110 | 16 | 24 | 20 | 23 |
Urea (mmol/litre) | 2.5 – 7.8 | 3 | 1.9 | 1.5 | 1.4 |
Serum osmolality (mosmole/kg) | 275 – 295 | 203 | 258 | ||
Blood glucose (mmol/litre) | 3.0 – 7.7 | 3.9 | 6.1 | 4.5 | |
Albumin (g/litre) | 35 – 50 | 34 | 26 | 21 | |
Calcium, adjusted (mmol/litre) | 2.1 – 2.65 | 2.55 | 2.55 | ||
Phosphate (mmol/litre) | 0.8 – 1.5 | 1.45 | 2.46 | ||
Chloride (mmol/litre) | 95 – 108 | 68 | 88 | 108 | |
pH | 7.35 – 7.45 | 7.36 | 7.28 | 7.29 | 7.35 |
pCO2 (kPa) | 4.5 – 6.1 | 4.1 | 5.7 | 6.1 | 6.2 |
Bicarbonate (mmol/litre) | 24 – 32 | 16.8 | 19.5 | 21.9 | 25.3 |
Base excess (mmol/litre) | −2.0 – 2.0 | −7.8 | −8.2 | −5.9 | −1.6 |
Lactate (mmol/litre) | 0.4 – 2.2 | 4.4 | 1.3 | ||
Haemoglobin (g/dl) | 11.5 – 16.5 | 15 | |||
White cell count (x109/litre) | 5.0 – 18.0 | 21.3 | |||
Neutrophils (x109/litre) | 1.5 – 10 | 10.9 | |||
Lymphocytes (x109/litre) | 3.0 – 10.0 | 9.8 | |||
Platelets (x109/litre) | 150 – 500 | 262 | |||
C-reactive protein (mg/litre) | 0.0 – 10.0 | 2.2 | 5.5 | 20.5 | 3.2 |
17-OH progesterone (nmol/litre) | 0.0 – 20.0 | 20.9 | |||
Cortisol (nmol/litre) | not applicable | 514 | |||
Aldosterone (nmol/litre) | 0.083 – 0.44 | 1.15 | |||
Renin (nmol/litre/h) | 0.5 – 4.4 | >28.8 | |||
TSH (μU/ml) | 0.35 – 5.5 | 2.4 | |||
Free T3 (pmol/litre) | 3.5 – 6.5 | 3.2 | |||
Free thyroxine (pmol/litre) | 7.0 – 17.0 | 11.5 |