What is Oxygen Saturation? The blood in our body carries oxygen from the lungs to all elements of the body. Our blood is composed largely of water. The simplest manner to hold oxygen in a fluid is to easily have the oxygen dissolved within the fluid the identical way that sugar or BloodVitals SPO2 salt might be dissolved in water. However, as a result of we humans are such active creatures with such high metabolic demands, not enough oxygen may be dissolved in our blood to fulfill our needs. Our bodies have due to this fact developed a way to increase the oxygen carrying capacity of the blood. This ingenious method makes use of a special molecule known as hemoglobin. Each hemoglobin molecule is composed of 4 separate heme items and BloodVitals SPO2 device each heme unit requires a single atom of iron. One complete hemoglobin molecule can carry 4 molecules of oxygen - one in each heme group. The iron in the hemoglobin molecule produces a red color, BloodVitals SPO2 device the same way iron in the earth or in rocks gives them a reddish hue.

The hemoglobin in our blood does not float free in the blood stream. Instead, it's packaged inside cells. The crimson coloration of the hemoglobin provides the cells a reddish coloration and they are subsequently known as purple blood cells. The crimson blood cells are suspended in the water base of the blood, known as plasma, which additionally has many different types of cells, proteins and electrolytes dissolved in it. If all of the pink cells had been faraway from the blood, the remaining plasma would now not be crimson. It might merely be a clear to straw colored fluid. Each hemoglobin molecule carries 4 oxygen atoms. The oxygen atoms are hooked up to the iron atoms within the heme groups. When an oxygen atom attaches to the iron atom within the heme group, it changes the color of the iron atom from dark crimson to vivid purple. This is the reason oxygenated blood appears bright purple.

Blood which is missing oxygen appears darkish red. When this dark red blood is considered by means of the layers of our pores and skin, which act like a pink-colored filter, it takes on a bluish look. Because of this we can generally see our personal veins by way of our pores and skin having a bluish look, and this is why in textbooks deoxygenated blood is depicted as blue and oxygenated blood is depicted as pink. One can do a blood test to see how a lot oxygen the blood is carrying. This check is called an arterial blood gasoline test. However, this involves taking an precise blood pattern from an artery with a needle. While potential to do and broadly available at medical institutions, it is uncomfortable and might solely be performed infrequently. A neater strategy to measure the quantity of oxygen within the blood which does not require any blood samples to be taken makes use of the shade-altering properties of the hemoglobin molecule.

Because we all know that a hemoglobin molecule which is absolutely saturated with 4 oxygen molecules can be brilliant crimson, and a hemoglobin molecule which is completely empty of oxygen will be much darker pink, BloodVitals monitor we are able to simply create a machine which measures the sunshine reflected off of the hemoglobin molecules in our body. If all the sunshine is shiny crimson, then we know that the hemoglobin is "full" of oxygen. The darker the color, the more empty the hemoglobin molecules. We are able to express this as a easy %, with 100% being all bight crimson gentle, that means that all of the hemoglobin molecules are stuffed with oxygen