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).
Pulse oximetry is also used to check the health of a person with any condition that affects blood oxygen levels, such as: 1  Heart attack. 2  Heart failure. 3  Chronic obstructive pulmonary disease (COPD) 4  Anemia. Lung cancer. 5  Asthma. Pneumonia.