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 ...

While almost all of us know how oxygen is vital to life, few probably realize that the oxygen is actually distributed throughout our body via our blood. In addition to metrics like heart rate or even ...