By using a small device called a pulse oximeter, your blood oxygen level can be checked without needing to be stuck with a needle. The most common way to measure PaO2 is to take an arterial-blood gas test. Oxygen saturation is generated during blood gas analysis by one of two methods: direct measurement by CO-oximetry; or calculated from measured p O 2. The calculation of the AOS responds to the follow equation: Blood Oxygen Saturation=103.3-(altitude × .0047)+(Z), being Z=.7 in men and 1.4 in women. Sat) • in normal individuals, these values match closely • but, in patients, they can be significantly different Altitude Oxygen Calculator. Altitude-Oxygen Chart by Higher Peak Oxygen Levels at Altitude | Center for Wilderness Safety PDF Reference values for oxygen saturation from sea level to the highest ... SPO2 - Blood Oxygen Saturation - Bernod People with low oxygen level may need additional oxygen or other treatment. J Appl Physiol. This is your body attempting to balance out the lack of oxygen in the air by moving it faster through your body. As altitude increases, oxygen saturation drops dramatically and, therefore, a thorough control of this data can be . A small device called a pulse oximeter (image 1) measures the oxygen saturation level and pulse/HR. The calculations above are based on the equation developed by Severinghaus*: SO 2 = (23,400 * (pO 23 + 150 * pO 2) -1 + 1) -1 This is only an estimate and does not account for differences in temperature, pH, and concentrations of 2,3 DPG. Protocol: Establishing the reference interval for pulse oxygen ... SPO2 Levels. In addition to generating tables, DOTABLES can compute a single-value of oxygen solubility and percent saturation for a specific instance of temperature, pressure, and salinity.