Blood gases will be the laboratory test that will best provide data on a potential impairment in ventilation.
Blood gases:
The amount of oxygen and carbon dioxide in your blood is measured by blood gases. They also calculate the pH of your blood.
How the Test is Conducted:
Blood is often drawn from an artery. In some circumstances, vein blood may be used (venous blood gas). The three arteries in the groin, the arm, and the wrist that is most frequently used to draw blood are the radial artery in the wrist, the femoral artery, and the brachial artery.
Before drawing blood from the wrist area, the doctor may check the hand's blood circulation. The medical professional pokes the artery with a tiny needle through the skin. The sample is instantly delivered to a lab for evaluation.
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