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What happens when blood oxygen levels are too low

A 42-year-old member asked:
Dr. John Munshower
Family Medicine 30 years experience
Brain damage: Lack of oxygen rich blood for too long can cause serious brain injury.

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A 35-year-old member asked:
Dr. Amrita Dosanjh
Pediatric Pulmonology 36 years experience
Mold elimination: Mold elimination with bleach solution and a service to eliminate mold in your home is advised. It is important to wash linens in hot water and a HEPA ... Read More
A 40-year-old member asked:
Dr. Hashmat Rajput
Internal Medicine 39 years experience
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 h... Read More
A 43-year-old member asked:
Dr. Heidi Fowler
Psychiatry 25 years experience
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.
A 39-year-old member asked:
Dr. Mazen Kherallah
Infectious Disease 34 years experience
Low Oxygen: Yes, the red blood cells and hemoglobin increase.
A 37-year-old member asked:
Dr. Mazen Kherallah
Infectious Disease 34 years experience
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.
A 59-year-old female asked:
Dr. Rada Ivanov
Pulmonary Critical Care 31 years experience
Upper 90-ties: Levels in the 80-es are not ok, we prescribe supplemental oxygen usually for levels below 86-88%. Bear in mind that levels at rest are higher and they... Read More
A 44-year-old member asked:
Dr. Hesham Hassaballa
Pulmonary Critical Care 22 years experience
Many things...: 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... Read More
A 34-year-old member asked:
Dr. Sanjay Agarwal
Pulmonology 26 years experience
Sats <90%: Oximeter showing <90% or more appropriately pao2 <58 is considered hypoxia and need for o2 supplemental oxygen will be needed.
A 39-year-old member asked:
Dr. Nestor Del rosario
Addiction Medicine 34 years experience
Hypoxia: Anything that decreases o2 diffusibility or increases o2 consumption. These will include copd, pulmonary fibrosis and interstitial lung diseases, asth... Read More

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