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Doctor insights on: Dangerous Blood Oxygen Level

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Dr. Sue Ferranti
Board Certified, Pulmonary Critical Care
23 years in practice
12M people helped
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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. Keegan Duchicela
Board Certified
8 years in practice
15M people helped
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Dr. Scott Bolhack
3,006 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


Dr. Steven Neish
Board Certified, Pediatric Cardiology
32 years in practice
825K people helped
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2
Is blood oxygen level 93 ok?

Is blood oxygen level 93 ok?

It depends: 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. ...Read more

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Dr. Keegan Duchicela
Board Certified
8 years in practice
15M people helped
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Dr. Yash Khanna
Board Certified, Family Medicine
51 years in practice
131M people helped
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What does it mean if your blood oxygen level suddenly drops to 60%?

What does it mean if your blood oxygen level suddenly drops to 60%?

Means Hypoxemia: It means there is low oxygen level in your arterial blood and you need to follow up with your doctor or pulmonologist to find the cause and get it corrected.It is an emergency situation and if you can not get the doctors go to er asap. ...Read more

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Dr. Andrew Turrisi
Board Certified, Radiation Oncology
41 years in practice
10M people helped
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What exactly does it mean if you have high oxygen levels in your blood?

What exactly does it mean if you have high oxygen levels in your blood?

Ambient air is about: 21% o2, and healthy lungs produce a po2 of 80-100%. Babies in nicu's treated with 100% due to respiratory immaturity could get pulmonarty and retro lentar fibrosis. One does not do well with higher levels of o2. Like goldylocks, not too little, not too much: just right. ...Read more

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Dr. Keegan Duchicela
Board Certified
8 years in practice
15M people helped
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Dr. Heidi Fowler
Board Certified, Psychiatry
19 years in practice
527M people helped
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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. Michael Sparacino
Board Certified, Family Medicine
31 years in practice
143M people helped
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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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Dr. Donald Alves
Board Certified, Emergency Medicine
18 years in practice
18M people helped
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92% blood oxygen level, is this okay?

Not really: 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). ...Read more

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Dr. Marsha Davis
Board Certified, Internal Medicine
22 years in practice
65M people helped
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I need to know what's an optimal blood oxygen level?

Depends: On your age and condition . It is usually reported by%. For example a little baby you would want to be high, close to 100% and if sick not lower than 92% when ill and hospitalized. A normal person walking around is usually 96- 100%. If a person has a chronic lung condition lower percentages of oxygen are acceptable, down to about 88%. ...Read more

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Dr. Mazen Kherallah
Board Certified, Infectious Disease
28 years in practice
351K people helped
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Dr. Mazen Kherallah
Board Certified, Infectious Disease
28 years in practice
351K people helped
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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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Dr. Keegan Duchicela
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