dangerous blood oxygen levels

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Dr. Sue Ferranti answered:

what is normal levels of oxygen in the blood? What is considered low and what is considered dangerous? Is levels in the 80S ok?

Oxygen level....

Oxygen_supplementation
The oxygen saturation, or pulse oximetry, should be in the 90's normally. Any value of less than 88% on room air qualifies a patient for supplemental oxygen therapy. So, an oxygen saturation in the 80s is not normal. Your doctor will need to find out why your oxygen level is low and provide treatment.
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Dr. Steven Neish answered:

Is blood oxygen level 93 ok?

It depends

Oxygen
If you live at sea level, and the pulse oximetry machine if functioning normally, your arterial oxygen saturation should be higher than 93%. If you live at high altitude, the partial pressure of oxygen in the air is lower and, depending on how high you are, an oxygen saturation level of 93% may be normal.
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Are low blood oxygen levels normal?

High is good.

Oxygen
Well you would anticipate 95 to 100% oxygen saturation for a young healthy adult. The lower the oxygen saturation the more concern.
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92% blood oxygen level, is this okay?

Not really

Blood
If it is a nonsmoker, then no, should be 95%+ as "normal." Lower can indicate lung infection or function abnormality. Smokers or persons with lung diseases often have lower saturations like this. If no explanation, should see Dr for exam and probably chest xray & breathing treatment(s).
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How can I boost my blood oxygen level?

Supplement

Blood
You could supplement oxygen if you had a condition which required it. It would do you no good just to do it.
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Blood oxygen level 100- lungs working okay??

Oxygen

Chest-lung
normal healthy oxygen level is 98-100%
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What causes low oxygen level in the blood ?

Many things...

Blood
Many things can cause a low oxygen level in the blood: so many, in fact, that I don't have enough room here to name them all. Here are some common causes: pneumonia; heart failure; clots to the lungs; emphysema; Asthma. Hope this helps...
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how do you detect low oxygen levels in blood?

Low oxygen

Blood
One way is to use a pulse oximeter which fits over the finger and gives a good approximation of the oxygen in the blood.
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Could the body adapt to low blood oxygen level ?

Low Oxygen

Blood
Yes, the red blood cells and hemoglobin increase
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what is a low oxygen level in the blood considered?

Sats <90%

Hypoxia
Oximeter showing <90% or more appropriately PaO2 <58 is considered hypoxia and need for O2 supplemental Oxygen will be needed.
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