People with low oxygen level may need additional oxygen or other treatment. Anything between 92% and 88%, is still considered safe and average for someone with moderate to severe COPD. A normal blood oxygen level typically ranges from 75 to 100 mm Hg. How is Your Blood Oxygen Level Measured? Most people need an oxygen saturation level of at least 95% to maintain the healthy function of cells. Pulse oximeter readings considered normal usually fall between 95 … When oxygen saturation levels fall below 92%, the pressure of the oxygen in your blood is too low to penetrate the walls of the red blood cells. It is important to note that the oxygen saturation level varies considerably based on a person’s state of health. Older adults typically have lower oxygen saturation levels than younger adults. Your insurance company may not pay for oxygen unless your levels fall to 88% oxygen saturation. It is a matter of gas laws. For example, someone older than 70 years of age may have an oxygen saturation level of about 95%, which is an acceptable level. 7 Facts to Remember About Blood Oxygen Saturation Levels. The oximeter display shows the percentage of oxygen in your blood. The human body requires and regulates a very precise and specific balance of oxygen in the blood. The result is that oxygen molecules in the air are further apart, reducing the oxygen content of each breath incrementally as one goes up in altitude. Below is an altitude oxygen chart that extrapolates oxygen percentages to real altitude, which you can use in conjunction with our high altitude tents and mask-based training systems. The normal oxygen saturation level is 97–100% (OER #1). A normal level of arterial oxygen is between approximately 75 to 100mm of mercury (mm Hg). Oxygen saturation is the fraction of oxygen-saturated hemoglobin relative to total hemoglobin in the blood. Your health care professional will discuss this with you. 1. At real altitude, the barometric pressure of the atmosphere is significantly less than that of sea-level environments. Arterial blood oxygen levels below 80 percent … However, having an oxygen saturation level lower than 95% for a short period cannot cause any damage to your body organs. In the case of dangerously low blood oxygen, the level that requires supplemental oxygen is anything under 60. Normal arterial blood oxygen saturation levels in humans are 95–100 percent. 2. Oxygen is the gas that enables your organs to run smoothly. People who are breathing normal, who have relatively healthy lungs (or asthma that is under control), will have a blood oxygen level of 95% to 100%. This oxygen chart extrapolates the effective amount of oxygen percentages to real altitude. Our chart will help you find the oxygen levels by elevation for many common altitudes. For someone who’s healthy, the normal blood oxygen saturation level will be around 95–100%. If the oxygen level is below this, it can be an indicator that there is a lung problem. If the level is below 90 percent, it is considered low and called hypoxemia. If you have deficient blood oxygen levels, then vital organs in your body will not function optimally.

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