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Doctor insights on: Could Bad Circulation Cause A Low Reading On An Oxygen Saturation Meter

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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

Dr. Gregory Moneta
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Circulation (Definition)

1.Movement to and fro or around something, esp. That of fluid in a closed system. 2.The continuous motion by which the blood travels through all parts of the body under the action of the heart. Compliments ...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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Does bronchiolitis cause low oxygen saturation?

Does bronchiolitis cause low oxygen saturation?

It happends: Bronchiolitis causes a build up of secretions in the tiny airways and blocks transfer of oxygen into the tissues. It can and does cause a drop in blood oxygen in many cases. ...Read more

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How serious is a 81% oxygen saturation reading on room air combined with a po2 of 46 mmhg? Could it be an indication that death is imminent in an elderly person?

How serious is a 81% oxygen saturation reading on room air combined with a po2 of 46 mmhg?  Could it be an indication that death is imminent in an elderly person?

Yes: An oxygen saturation, the % of o2 in the blood generally is >95 in a healthy person, other illnesses may cause that to change. End stage disease(of any kind) can lead to low o2 levels as a natural part of the dying process. As long as the person is not experiencing any discomfort and the goal is comfort only- checking o2 levels may not be indicated and only more distress to the caregivers. ...Read more

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Why when i get difficulties breathing or sob, yet my oxygen saturation is 99-98% . How and what could that be. What is the symptom of low oxg saturat

Dyspnea: Shortness of breath is largely unrelated to oxygen levels, except when very low. Work of breathing causes dyspnea (shortness of breath) and can occur with normal oxygen levels. When oxygen levels become very low dyspnea can occur. ...Read more

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How much does a low oxygen saturation level affect judgment?

How much does a low oxygen saturation level affect judgment?

Depends how low: Down to about 80% there isn't much effect at all at least for short periods of time. Longer periods weeks to months can have cognitive effects. Below 80% saturation there can be clear effects on judgment even for brief periods. The lower the saturation the bigger the effect. ...Read more

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Dr. Scott Bolhack
3,074 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


Bad Circulation (Definition)

This is a gernalized term and usually indicates poor arterial perfusion to an extremity. However, in my experience, docs also use it to indicate ...Read more