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 ...

Arterial blood gas analysis (ABG) is most often performed to evaluate respiratory diseases and other conditions that affect the lungs as well as to evaluate the effectiveness of oxygen therapy. An ABG ...

Normal blood oxygen level is either 95%-100% SpO2 on an oximeter or 80-100 mm Hg from an ABG test. ABG tests are more accurate than pulse oximeters, which have a ...

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.