Units used in this book

Standard 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 laboratory to laboratory. Metric units x conversion factor = SI units

Conversion

Test

Metric units

factor

SI units

Sodium

135-145 meq/litre

1

135-145 mmol/litre

Potassium

3-5-5-0 meq/litre

1

3-5-5-0 mmol/litre

Urea (blood

8-20 mg/dl

0-36

2-9-7-1 mmol/litre

urea nitrogen)

Creatinine

0-6-1-2 mg/dl

83-3

50-100 |mol/litre

Glucose

60-115 mg/dl

0-06

3-3-6-3 mmol/litre

Partial

83-108 mmHg

0-13

11-14-36 kPa

pressure O2

Partial

32-48 mmHg

0-13

4-26-6-38 kPa

pressure CO2

Bicarbonate

22-28 meq/litre

1

22-28 mmol/litre

Calcium

8-5-10-5 mg/dl

0-25

2-1-2-6 mmol/litre

Chloride

98-107 meq/litre

1

98-107 mmol/litre

Lactate

0-5-2-0 meq/litre

1

0-5-2-0 mmol/litre

Was this article helpful?

0 0

Post a comment