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In terms of oxygen saturations, arterial blood should be around 97-100% and venous return should be at approximately 75%. These figures are only appropriate for altitudes close to sea level.
the oxygen level decreases
Because due to the over pollution and cutting down the tree's level of Oxygen is decreasing .The level of Nitrogen always remains constant in the atmosphere . The level of Nitrogen doesn't' depend on the level of the Oxygen level.
creatinine blood level of 1.06 byitself is not a cause for concern. Normal adult levels are 0.5/0.6 to 1.1/1.2.
A normal blood oxygen level should be 90 or above (90-99). Any level below 89 qualifies you for oxygen. 74 is low and it means your brain and body are not getting enough oxygen. You should be evaluated by a pulmonologist and you should be on oxygen.
Possibly sleep apnea.
It's level 50, you should get a higher level (something like level 57) because it can regain health with leftovers
It should be 0.
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Price level stability.
If it is your oxygen level how old are you? and IRS ok its not perfect but you should be fine if it doesn't go back up to 100 go see your doctor.
Normal oxygen saturation levels vary slightly depending on age and activity. A blood oxygen level of less than 90 percent is considered abnormal. The organs in the body need a continuous supply of oxygen to function properly. If oxygen saturation levels in the body become too low, various problems can develop. When oxygen saturation is too low it is called Hypoxemia.
In terms of oxygen saturations, arterial blood should be around 97-100% and venous return should be at approximately 75%. These figures are only appropriate for altitudes close to sea level.
Oxygen levels should be 98% or higher. Find professional help at a hospital. Right now!
About 98% is normal, no matter what a person's age is.
the oxygen level decreases