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Doctor insights on: How Could Elodea Lower Dissolved Oxygen Levels

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My blood oxygen level is too low. What could happen if it got lower?

My blood oxygen level is too low. What could happen if it got lower?

Low oxygen: Our body tissues needs constant supply of oxygen to perform optimally. If it gets too low then the tissues especially kidney, heart and brain would have ischemia and lot of problems. See pulmonary specialist. ...Read more

Dr. Scott Bolhack
3,072 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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I have copd. What can cause me to have a great oxygen level when lying still, but have it go down when active? More active i am, the lower it goes.

I have copd. What can cause me to have a great oxygen level when lying still, but have it go down when active? More active i am, the lower it goes.

Activity: In some patients with copd, the lungs can't supply enough oxygen to keep the oxygen level (saturation) normal. This may happen with activity when the body starts to use up its oxygen supply. If you rest, you can catch up and get back to normal. However, you may need oxygen at this point. There are specific criteria to qualify, so talk to your family doctor or lung specialist. ...Read more

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Most people with copd, have a higher oxygen level when sitting. Why is mine 95-96 when sitting an gets up to 97-98 when active. Theirs gets lower .

Most people with copd, have a higher oxygen level when sitting. Why is mine 95-96 when sitting an gets up to 97-98 when active. Theirs gets lower .

COPD O2 saturation: COPD patients not a uniform group Those with a decreased number of operational blood vessels in the lung will decrease the O2 saturation when they move because they have less O2 to give to the body tissues and the deceased sat.reflects this. You are in a group that does not have this problem. Your Sat.is up because you take deeper breaths when you move and bring in blood vessels not used at rest. ...Read more

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Are oxygen saturation levels lower in the elderly?

Are oxygen saturation levels lower in the elderly?

Not necessarily: As we age, it may get a little harder for the oxygen to get into the blood through your lungs. But, as long as you have healthy lungs, the oxygen saturation levels can be normal well into one's 80s or 90s. ...Read more

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I get a airy, flutter feeling in my chest & when I do my oxygen level drops to 85 or lower and have hard time breathing.Can happen awake or wake me up?

O2 drop: If you are really getting a read of 85 I recommend you see an MD to confirm this and begin a workup of cardiac and pulmonary status. ...Read more

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If your oxygen level drops too low, could that cause a non epileptic seizure. Also, if you have severe COPD would exercise lower your oxygen level.

If your oxygen level drops too low, could that cause a non epileptic seizure. Also, if you have severe COPD would exercise lower your oxygen level.

Yes and yes: A very low oxygen tension can make people have seizure like activity or unconsciousness depending on the response of the cells of circuitry in your brain. The cells can become irritable and have more discharges. People with COPD are exercised to see if they need o2 as oxygenation can drop with activity depending on the severity of disease. ...Read more

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Can your blood oxygen level from your finger differ from your lower extremities?

Can your blood oxygen level from your finger differ from your lower extremities?

Yes: Absolutely. Depending on the degree of vascular disease in your arms and legs, this can definitely vary. However it is less common to have vascular disease in your arms than in your feet. This is why oxygen levels in the fingers are most often more accurate than in the toes in people with vascular disease. ...Read more

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My son is 4 and weighs 34lbs he has an upper n lower respiratory infection he also has asthma oxygen level is 91 is that normal?

My son is 4 and weighs 34lbs he has an upper n lower respiratory infection he also has asthma oxygen level is 91 is that normal?

SeekEvaluationToday!: The oxygen saturation of 91% is lower than we like to see generally speaking. Given his history of asthma in addition to his current respiratory infection he really needs to be evaluated either in the pediatrician's office today (or the ED if unable to get appointment). It may be that you just need to increase the frequency of his asthma meds, but only after a thorough evaluation. ...Read more

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I'm considering climbing everest without oxygen, and training by sleeping and running in an altitude tent which will lower my blood 02 sat. Levels to ~70%. Can I do both without brain damage?

I'm considering climbing everest without oxygen, and training by sleeping and running in an altitude tent which will lower my blood 02 sat. Levels to ~70%. Can I do both without brain damage?

No guarantees.: People have different susceptibilities to hypoxia depending on many factors including age, physical fitness, and health status. Also, the ability of the brain to withstand hypoxia is time dependent, so time at the summit will be critical. ...Read more

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At what level does having a lower o2 saturation become possibly harmful?

At what level does having a lower o2 saturation become possibly harmful?

90 percent: Oxygen saturation below 90 percent can mean very low oxygen levels in the body and can be harmful (strain on our heart and lungs). ...Read more