Arterial Blood Gas (ABG)

Indications for Arterial Blood Gas (ABG)

Diagnosis of Carboxyhemoglobinemia (see Carboxyhemoglobinemia)

Diagnosis of Methemoglobinemia (see Methemoglobinemia)

Diagnosis of Respiratory Failure (see Respiratory Failure)

Diagnosis of Sulfhemoglobinemia (see Sulfhemoglobinemia)



Types of Hemoglobin Which May Be Present in the Adult Circulation


Arterial Blood Gas (ABG)

Venous Blood Gas (VBG)

Normal Values for Blood Gases

Arterial Blood Gas (ABG)

Differences Between Arterial Blood Gas (ABG) and Venous Blood Gas (VBG) Values (see Venous Blood Gas)


Principles of Arterial Blood Gas (ABG) Analysis


Methods to Determine the SaO2 from an Arterial Blood Gas Sample

Blood Gas Analyzer without Co-Oximetry

Functional Hemoglobin Saturation from Simple Co-Oximetry

Fractional Oxygen Saturation Method from Co-Oximetry (Fractional Oxyhemoglobin, FO2Hb)

Co-Oximetry on Arterial Blood Gas Sample

Clinical Scenarios Where Discordance May Occur Between Pulse Oximetry Saturation (SpO2) and pO2 from Arterial Blood Gas (see Pulse Oximetry)