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Doctor insights on: Low Oxygen Saturation Levels After Surgery

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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.

Hypoxia (Definition)

Hypoxia, is a condition in which the body as a whole or a region of the body is deprived of adequate oxygen supply. It is classified into 4 groups: - hypoxemic - oxygen is low - anemic - decreased ability for hemoglobin to carry oxygen. - ischemic - decreased blood flow. - histotoxic - oxygen is reaching the cells, but the cells are unable to ...Read more


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What common medical conditions are associated with low oxygen saturation levels?

Lung & Heart Disease: Hypoxia (low oxygen saturations) are usually caused by lung disease (chronic obstructive pulmonary disease, asbestosis, pulmonary fibrosis, etc). Many heart conditions (especially congenital defects in the new born) may result in low oxygen saturation levels. Beware of false lows with pulse oximetry readingson cold hands, peripheral vascular disease or really callussed finger tips.

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How much does a low oxygen saturation level affect judgment?

Oxygen: A low oxygen saturation definitely affects judgment. Your brain is one of the organs that is heavily dependent on proper oxygenation. If you decrease the oxygen saturation, judgment may be impaired.

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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.

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What damage does low oxygen saturation have on a childs brain?

What damage does low oxygen saturation have on a childs brain?

Depends on variables: Low saturations are a variable issue. In the womb, the baby draws oxygen from the mothers blood and during all of pregnancy, their oxygen saturation is below what we expect after their first hour of age. That said, when it is too low for the period, it forces the metabolism into a weaker method of supplying energy, starving brain cells of energy and could result in cell injury or permanent damage.

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Does the low oxygen saturation experienced on a commercial flight have a negative effect on a baby's developing brain?

Does the low oxygen saturation experienced on a commercial flight have a negative effect on a baby's developing brain?

Heaven forbid!: Can you imagine the class action lawsuit on that? And what about anyone else with chronic lung disease? No worries. The cabins are pressurized and oxygenated. If that is disrupted, that masks pop down. Air travel is much safer than the highways.

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What happens if I set a hyperbaric chamber to low oxygen saturation and used it would I still get altitude sickness?

What happens if I set a hyperbaric chamber to low oxygen saturation and used it would I still get altitude sickness?

Weird: Why do weird stuff? Altitude sickness is often prevented with diamox (acetazolamide). Hyperbaric chamber management should be entirely left to doctors. Do not selfexperiment with that stuff.

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Does asthma cause hypoxia? What is the oxygen saturation in people who have asthma?

Does asthma cause hypoxia? What is the oxygen saturation in people who have asthma?

It can: Asthma can reduce the area of the lung available for co2/oxygen exchange and can do so with variable intensity during an asthma attack. Given a normal o2 % of 94-100, I have seen levels below 50% recorded but patients are usually quite symptomatic below 90%. When an attack is passed and the patient relaxed, the levels return to normal with work of breathing decreased to normal.

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What causes low oxygen levels after surgery?

Atelectasis: Sometimes, there can be parts of the lung not fully inflated called atelectasis. This could cause low oxygen levels and can be reversed by taking deep breaths. This type of lung exercise can be done using something called an incentive spirometer, and walking around. Hope this helps!

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What does it mean if oxygen saturation level is low in a lung cancer patient?

What does it mean if oxygen saturation level is low in a lung cancer patient?

Several: Pneumonia and shunting. Fluid in chest. Air leak and pneumo. Diffuse metastasis. Frequently also superimposed on emphysema from smoking.

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What are the causes of low oxygen sat rates after surgery?

What are the causes of low oxygen sat rates after surgery?

Interpret right: It depends on the timing. Worst could be pulmonary embolus form immobility several hours after. But right after surgery, usually the or is cold and causes closing off of skin arterioles (response to cold temp) and since the monitor is dependent on pulses could read wrong. The best time to ask is when it is happening as the health officer can correlate with timing and symptoms.

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What helps the body maintain a healthy oxygen saturation levels?

O2 goes into lung: Traverse the interstitial to the blood vessel wall to the blood cells goes to tissues and be delivered. Normal saturation therefore depends on the oxygen source, healthy alveoli with enough surface area, thin and healthy interstitial and blood vessel wall and normal and adequate blood cells and healthy consumption of o2. That is the balance.

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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.

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Is an oxygen saturation of 69% when sleeping dangerously low?

Yes: 69% saturation is quite low. Does the patient stop breathing at night (sleep apnea)? Do they have copd? Asthma or other lung disease? These questions need to be answered. The primary care physician should be consulted and a sleep study ordered.

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Dr. Scott Bolhack
3,107 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
93 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