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).
Hypoxemia is defined as insufficient oxygenation of the blood. Pulse oximetry is a simple, transcutaneous non-invasive method of measuring and monitoring the percentage of hemoglobin (Hb) which is saturated with oxygen, that is, the amount of oxygen dissolved in the arterial blood. The pulse.