Measurements (1): - normal: PaO2 >=10.7 kPa (>=80 mmHg), SaO2 >=95%
- hypoxaemia: PaO2 <10.7 kPa (<80 mmHg), SaO2 <95%
- mild hypoxaemia: PaO2 8-10.5 kPa (60-79 mmHg), SaO2 90-94%
- moderate hypoxaemia: PaO2 5.3-7.9 kPa (40-59 mmHg), SaO2 75-89%
- severe hypoxaemia: PaO2 <5.3 (<40 mmHg), SaO2 <75%
References: - ABC of oxygen: assessing and interpreting arterial blood gases and acid-base balance. BMJ. 1998;317:1213: full text | pdf.
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