Darwinism : The Most Important Contribution of the Victorian Era. By Zachary L., Holmdel, NJ. More by this author. Charles Darwinâs revolutionary idea of evolution sparked dramatic debate in the scientific and, most especially, religious communities, as well as inspiring a new wave of thought in the minds of the world.
Pulse oximetry is a procedure used to measure the oxygen level (or oxygen saturation) in the blood. It is considered to be a noninvasive, painless, general indicator of oxygen delivery to the peripheral tissues (such as the finger, earlobe, or nose).
What is the pulse-oximetry test? Pulse oximetry is a simple, non-invasive and painless test that is used to measure the percent of oxygen saturation of hemoglobin in the arterial blood and the pulse rate. The pulse-oximetry test was invented in the 1970s and is now widely used and accepted in clinical care.