APPENDIX
Normal Laboratory Values 505
ARTERIAL BLOOD GASES
pH 7.35–7.45
PaO 2 80 –100 mmHg (10.6 –13.3 k Pa)
PaCO 2 35–45 mmHg (4.7– 6.0 k Pa)
bicarbonate 22–26 mmol/L
base excess ± 2 mmol/L
anion gap 8–16
A–a gradient <10 torr
MISCELLANEOUS
lactate <2.0 mmol/L
CRP <10 mg/L
free T 4 10–25 picomol/L
thyroid-stimulating hormone 0.4–5 mIU/L