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 ...

Unnecessary tests represent a significant portion of health care’s expense. ICU care accounts for 13% of overall hospital costs. An arterial blood gas (ABG) test assesses the function of a patient’s ...

Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...

Blood oxygen levels refer to the amount of oxygen circulating in the blood. Normal blood oxygen levels fall between 75 and 100 millimeters of mercury (mm Hg) on arterial blood gas (ABG) test results.

Doctors carry out ABG tests in a hospital. A person cannot perform an ABG test at home. Pulse oximetry is an alternative, noninvasive method to measure blood oxygen saturation. People can test ...