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Units Used in This Book
ОглавлениеStandard international (SI) units are used throughout this book, with metric units in brackets where these differ. Below are some reference ranges for common blood results. Reference ranges vary from lab to lab.
| Test | Metric units | Conversion factor | SI units |
| Sodium | 135–145 meq/L | 1 | 135–145 mmol/L |
| Potassium | 3.5–5.0 meq/L | 1 | 3.5–5.0 mmol/L |
| Urea (blood urea nitrogen) | 8–20 mg/dL | 0.36 | 2.9–7.1 mmol/L |
| Creatinine | 0.6–1.2 mg/dL | 83.3 | 50–100 μmol/L |
| Glucose | 60–115 mg/dL | 0.06 | 3.3–6.3 mmol/L |
| Partial pressure O2 | 83–108 mmHg | 0.13 | 11–14.36 kPa |
| Partial pressure CO2 | 32–48 mmHg | 0.13 | 4.26–6.38 kPa |
| Bicarbonate | 22–28 meq/L | 1 | 22–28 mmol/L |
| Calcium | 8.5–10.5 mg/dL | 0.25 | 2.1–2.6 mmol/L |
| Chloride | 98–107 meq/L | 1 | 98–107 mmol/L |
| Lactate | 0.5–2.0 meq/L | 1 | 0.5–2.0 mmol/L |
