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Doctor insights on: Blood Oxygen Saturation Level 84 End Stage Lung

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Please help docs! is oxygen saturation the same things as oxygen uptake?

Please help docs! is oxygen saturation the same things as oxygen uptake?

Not quite: Oxygen saturation reflects the proportion of red blood cell pigment - hemoglobin that is loaded ("saturated") with oxygen. It is unitless and shown as %. Oxygen uptake is the quantity of oxygen absobed/ consumed per unit time , usually in milliliters per min. ...Read more

Lung (Definition)

Deoxygenated blood enters the lungs from the right side of the heart and travels to the lungs. When you inspire, oxygen flows into the lungs, transverses the capilliares and attaches to hemoglobin down a gradient. At the same time, co2 diffuses into the capilaries and is expelled with exhalation. Oxygen rich blood then flows to the left side of the heart and into the ...Read more


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For blood oxygen saturation level - what is the fatal and normal range?

For blood oxygen saturation level - what is the fatal and normal range?

Oxygen sat curve: If you look at the p50 or oxygen saturation curve, anything above 90% is ok for the hemoglobin to unload as it gets into the tissues and supply them. As the curve goes down to 75% about pao2 of 45, this nears the saturation in the veins where unloading of oxygen to the tissues including heart muscles becomes difficult and there will be eventual death as it gets lower than that. ...Read more

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My blood oxygen saturation is 96% but can there be chances that my blood is not circulation properly to my skin?

My blood oxygen saturation is 96% but can there be chances that my blood is not circulation properly to my skin?

Yes.: At your age chances of lack of circulation is unlikely unless there are preexisting conditions like diabetes or rheumatologic problems like sle, etc.. Smoking can also cause it as do some drugs that cause vasoconstriction or closing off of blood vessels. ...Read more

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Lungs are clear (ct scan) heart is okay (echocardiogram, ekg) then why oxygen saturation levels are low?

Lungs are clear (ct scan) heart is okay (echocardiogram, ekg) then why oxygen saturation levels are low?

Possibilities...: There are many possible disorders that could have these test results. You should have pulmonary function tests since a ct scan does not tell anything about the function of the pulmonary system; only that the lungs look ok. Musculoskeletal disorders can have test results as you describe. You likely need to see a lung specialist to do a work-up and find out why your pulse ox is low. ...Read more

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Oxygen saturation drops to 83 to 87 when my new born baby sleeps. Lungs X-Ray and eco screening has shown normal study. What would be the reason.

Oxygen saturation drops to 83 to 87 when my new born baby sleeps. Lungs X-Ray and eco screening has shown normal study. What would be the reason.

Birth History?: Are you testing your baby's oxygen level at home? How many days old is the baby? Was the birth vaginal? Were there any complications? What was the birth weight? How is the baby feeding? How frequent are his stools? Does he show signs of respiratory distress? Does he have a heart murmur? The answer to your question definitely depends on all of the above answers! ...Read more

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7mo w/acrocyanosis. Per Dr, heart & lungs OK, good perfusion, 100% oxygen saturation. I keep her warm but I still see her blue/purple. She's fair skin?

Acrocyanosis: If the baby is growing well and gaining weight and the oxygen saturation that was measured was 100% (in one of the feet), I would not worry about acrocyanosis ...Read more

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In a person with sleep apnea, what causes the rises and falls in oxygen saturation of arterial blood during sleep?

In a person with sleep apnea, what causes the rises and falls in oxygen saturation of arterial blood during sleep?

Sleep apnea: Sleep apnea is defined as stopping breathing for 10 seconds. During that time, the body is not getting any oxygen. In addition , there can be instances that last less than 10 seconds, or where a less than adequate effort to breath is attempted. These also reduce the oxygen intake. ...Read more

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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


Dr. Alexander Bankov
90 doctors shared insights

Oxygen Saturation (Definition)

Oxygen saturation is a measure of how much oxygen the blood is carrying as a percentage of the ...Read more