Arterial blood gases (ABG), whole blood
Collect arterial blood in a heparinized syringe, and send to laboratory immediately.
Blood gas measurements provide information about cardiopulmonary (oxygen and carbon dioxide exchange) and metabolic (acid-base) status. When integrated with the history and physical examination, the rapidly available arterial blood gas (ABG) analysis is useful in the care of the acutely ill or injured patient.
See Carbon Dioxide, Oxygen, and pH.
In addition to the measurement of pH and partial pressures of oxygen and carbon dioxide, the bicarbonate concentration is calculated.
Wagner PD. The physiological basis of pulmonary gas exchange: implications for clinical interpretation of arterial blood gases. Eur Respir J 2015;45:227. [PMID: 25323225]
Arterial blood gases
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Nicoll, Diana, et al. "Arterial Blood Gases." Guide to Diagnostic Tests, 7th ed., McGraw-Hill Education, 2017. Emergency Central, emergency.unboundmedicine.com/emergency/view/GDT/619076/all/Arterial_blood_gases.
Nicoll DD, Lu CMC, McPhee SJS. Arterial blood gases. Guide to Diagnostic Tests. McGraw-Hill Education; 2017. https://emergency.unboundmedicine.com/emergency/view/GDT/619076/all/Arterial_blood_gases. Accessed June 13, 2021.
Nicoll, D., Lu, C. M., & McPhee, S. J. (2017). Arterial blood gases. In Guide to Diagnostic Tests (7th edition). McGraw-Hill Education. https://emergency.unboundmedicine.com/emergency/view/GDT/619076/all/Arterial_blood_gases
Nicoll DD, Lu CMC, McPhee SJS. Arterial Blood Gases [Internet]. In: Guide to Diagnostic Tests. McGraw-Hill Education; 2017. [cited 2021 June 13]. Available from: https://emergency.unboundmedicine.com/emergency/view/GDT/619076/all/Arterial_blood_gases.
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