95 or better
Decreasing spo2 signifies - decreased efficiency of lungs to absorb enough oxygen, required to have normal gaseous exchange.
Since the normal SpO2 max is ~98%, due to physiological demands/metabolism, it would be the accuracy of the equipment that produced a 100% reading. Typically, pulse oximitry has an accuracy of +/- 2%.
The normal range result of a pulse oximeter is 95% to 100%. Anything lower than that means there's not enough oxygen getting to your body. Saturation of peripheral oxygen (SpO2) tells the observer or clinician how much oxygen is dissolved in the blood of the subject under observation. And SpO2 is of vital interest as it can alert medical professionals to conditions underlying illness or disease in a patient.
waves form of the spo2
Yes
It is about 70 to 75 for a full term healthy newborn during the first 1-7 days
Pulse 120 to 150, SpO2 97% (SpO2= saturation derived from a pulse oximeter, a 2 wavelength, red and infrared, non-invasive probe). The heartrate will change as the infant ages, slowing down, while the oxygen level should remain constant throughout adulthood. An SpO2 of 97% is technically as high as it can go on room air, as there is a normal 3% anatomical shunt. This can however be increased if there is exposure to CoHb (Carbon Monoxide) which has an affinity for the heme ring of the red blood cell 210-240 times that of oxygen. Pulse oximetry has limitations and cannot differentiate between oxyhemoglobin and carboxyhemoglobin. That requires photospectronomy.
SPO2 or pulse oximetry
92%
Anywhere between 92-100% for a healthy individual. If a patient is mobilizing and has pulmonary/cardiac issues, their SpO2 will decrease. SpO2 sensor is not 100% reliable in testing blood oxygen saturation as factors like cold fingertips, poor perfusion, low circulating volume, etc. play a major role.
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