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2. Why Is This Test Ordered and What Does It Show?

The arterial blood gas test results show the concentration of certain gases such as oxygen and carbon dioxide, which are essential for the body's operation. An AGB diagnosis and evaluates respiratory diseases and conditions that affect lung function and efficiency, and to check the effectiveness of oxygen therapy. ABG results also reveal information about metabolism by showing the balance of acidity and alkalinity that reflects the function of organs such as the kidneys and lungs. A doctor may order the test if he or she suspects lung or kidney disease, metabolic conditions, and physical injuries that may affect breathing.

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