Blood gas analysis
Blood gas analysis is the process of measuring certain aspects of blood, which is obtained from a subject's artery. It involves puncturing a radial artery at the wrist, the femoral artery in the groin, or some other artery with a thin needle and syringe, drawing a small volume of blood. The test — referred to as an arterial blood gas (ABG) — is used to determine the pH of the blood, the partial pressure of carbon dioxide and oxygen, and the bicarbonate level among other things.
ABG testing is mainly used in pulmonology and critical care medicine to determine gas exchange across the alveolar-capillary membrane. ABG testing also has a variety of applications in other areas of medicine. Combinations of disorders can be complex and difficult to interpret, so calculators,[1][2] nomograms, and rules of thumb[3] are commonly used.
Blood gas analyzer
A blood gas analyzer is a machine used to aspirate the extracted arterial blood from the syringe and calculate the pH, the partial pressure of oxygen and carbon dioxide, the bicarbonate concentration. Many blood gas analyzers will also report concentrations of lactate, hemoglobin, several electrolytes, oxyhemoglobin, carboxyhemoglobin and methemoglobin. These results are usually available for interpretation within five minutes.
References
- ↑ "abg interpreter". ManuelsWeb.com. http://www.manuelsweb.com/abg.htm. Retrieved 2011-09-22.
- ↑ "MedCalc:Acid-Base Calculator". MedCalc.com. http://www.medcalc.com/acidbase.html. Retrieved 2011-09-22.
- ↑ Baillie JK (2008). "Simple, easily memorised 'rules of thumb' for the rapid assessment of physiological compensation for acid-base disorders". Thorax 63 (3): 289–90. doi:10.1136/thx.2007.091223. PMID 18308967.
This is a LIMSwiki Glossary category for helping to organize non-vendor content into a more clearly organized format. This category is reserved for equipment you would find in any laboratory, regardless of the laboratory's specific purpose. No other content should be categorized under this item.
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This category is designated specifically for equipment you would find in any clinical laboratory. It's generally recommended to also make sure the piece of clinical equipment is also categorized under Category:Laboratory equipment.
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This category is designated for blood gas analyzers listed in LIMSWiki. It's generally recommended to also make sure that the specific analyzer is also categorized under Category:Laboratory equipment at a minimum, as well as any applicable subcategory.
