Lab Values for Blood Gases

Blood Gases

                                                     Arterial                     Venous

pH                                                            7.35–7.45             7.32–7.42

pCO2: millimeters of mercury, mmHg       35–45 mmHg          38–52 mmHg

pO2                                                        70–100 mmHg         28–48 mmHg

HCO3–                                                   19–25 mmol/L        19–25 mmol/L

O2 Sat %                                                90–95                     40–70