What exactly is SpO2 and how is it measured by a pulse oximeter
Blood oxygen saturation or better known in the medical field as SpO2 is a very important vital sign in the health of an individual. SpO2 refers to the percentage of oxygen in the hemoglobin in an individual. Many health conditions require the constant and accurate monitoring of SpO2 in order to make sure that you are operating a optimal health or to prevent any other health conditions. A medical and health device that has always been used to monitor the oxygen levels in an individual is a pulse oximeter. A pulse oximeter is a medical and health device that is used to measure the pulse rate and blood oxygen saturation of an individual. In the past, this device was obviously reserved for the hospital and clinical settings. If you have ever been to a hospital, chances are that you have definitely been either exposed to an oximeter device or even had one used on you. It would have been that device that connects to your index finger and then on a big computer screen you see your pulse rate and other numbers go up and down. The device is absolutely critical in the medical field but the problem was always that it was only used in the medical field and never in the home environment. Many individuals living with various medical conditions have to monitor their health wherever they go. For example, those living with asthma or COPD need to monitor their oxygen levels wherever they go because it is absolutely essential to their health.
The way the pulse oximeter measures the oxygen levels of an individual is quite complicated in some respects and quite simple in other respects. The nontechnical way that the device operates and measures the vital signs is as such. By inserting your finger inside the portable device an infrared light passes through you finger. But you will actually never feel the light and will never feel any discomfort because the light is an infrared light and does not in any way affect your physically. As the light passes through your finger it also passes through the finger
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