A PaO2 test measures oxygen pressure in arterial blood to help guide treatment for respiratory issues. This test is part of an arterial blood gas (ABG) test, which also measures other components like ...
Are there any guidelines on when to initiate home oxygen therapy in patients with chronic obstructive pulmonary disease (COPD)? —Darren E. Levy, DO, Wellington, Fla. Long-term low-flow oxygen therapy ...