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blood gas
n.
1. An analysis of the dissolved gases in blood plasma, including oxygen, nitrogen, and carbon dioxide.2. Any of the gases that become dissolved in blood plasma.
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Universalium. 2010.
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Universalium. 2010.
Arterial blood gas — An arterial blood gas (ABG) is a blood test that is performed specifically on blood from an artery. It involves puncturing an artery with a thin needle and syringe and drawing a small volume of blood. The most common puncture site is the radial… … Wikipedia