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Doctor insights on: Dangerous Blood Oxygen Levels

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

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....: 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. ...Read more

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Dr. Bennett Machanic
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Dr. Scott Bolhack
2,959 doctors shared insights

Oxygen (Definition)

Oxygen is a gas that the cells in your body need to work properly. The air we breathe normally has 21% oxygen. A maximum of 100% oxygen can be given. Babies with heart or lung problems may need ...Read more


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Are low blood oxygen levels normal?

Are low blood oxygen levels normal?

High is good.: Well you would anticipate 95 to 100% oxygen saturation for a young healthy adult. The lower the oxygen saturation the more concern. ...Read more

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Dr. Bennett Machanic
Board Certified
46 years in practice
44M people helped
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Managing Low Blood Sugar (Checklist)

Avoid skipping meals
Once
Eat protein-rich snacks every 2 hours
Daily
Keep fruit with you at all times if you feel hypoglycemic
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How can I boost my blood oxygen level?

How can I boost my blood oxygen level?

Supplement: You could supplement oxygen if you had a condition which required it. It would do you no good just to do it. ...Read more

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Managing High Blood Pressure (Checklist)

Monitor BP at home
Daily
Have a regular follow up and work with your doctor
Once
Take your meds as instructed without fail
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What is considered too low for oxygen levels in the blood?

What is considered too low for oxygen levels in the blood?

Hypoxemia: Oxygen level in the blood should be >90 mmhg, it gets slightly lower with advancing age, any level lower than expected should be investigated. ...Read more

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Low blood oxygen levels, at what number would be low enough to cause a person to fall to the floor and have a blackout?

Low blood oxygen levels, at what number would be low enough to cause a person to fall to the floor and have a blackout?

Depends: Its the rate of fall thats more important than the actual number. When the partial pressure of oxygen falls below 55 or 88% hemoglobin saturation the delivery of oxygen to our organs begins to decrease. If your organs, like the heart , is already damaged this drop can be very dangerous. If the organs are healthy they can tolerate this drop in oxygen levels for several minutes, sometimes even longe. ...Read more

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Taking Blood Thinners (Checklist)

Take appropriate dose of anticoagulation medication
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Follow up with your treating physician
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Dr. Bennett Machanic
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46 years in practice
44M people helped
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