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Doctor insights on: Causes Of Low Oxygen In Blood

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What causes low oxygen level in the blood ?

What causes low oxygen level in the blood ?

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 causes: pneumonia; heart failure; clots to the lungs; emphysema; asthma. Hope this helps... ...Read more

Dr. James Dukelow
231 doctors shared insights

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 use ...Read more


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Please tell me what can cause low oxygen level in the blood ?

Please tell me what can cause low oxygen level in the blood ?

Hypoxia: Anything that decreases o2 diffusibility or increases o2 consumption. These will include copd, pulmonary fibrosis and interstitial lung diseases, asthma exacerbation due to decreased lung volume same as in lung resection, pe, later part of chf, sepsis. ...Read more

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What causes low blood oxygen post surgery?

What causes low blood oxygen post surgery?

Hypoventilation: In doctorese, meaning not taking deep breaths and coughing, due to medication and because it hurts. This is why patients are hectored and incentive spirometers are used, due to concern of pneumonia and poor oxygenation. ...Read more

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I'll be having a sleep study done soon as I think the low oxygen in blood is causing my Afib and maybe the root cause all among , is it possible Why?

I'll be having a sleep study done soon as I think the low oxygen in blood is causing my Afib  and maybe the root cause all among , is it possible Why?

Low oxygen during: REM sleep cycles causes irritability of your cardiac circulation and intrinsic pacemakers, which are oxygen-hungry. As a result,hypoxia of your intrinsic pacemaker (sinus node) may develop into atrial fibrillation. Hope the sleep test and its treatment improve your condition. ...Read more

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Nails are turning blue which i hear is due to low oxygen in blood cells. Can lack of physical activity & outside air cause this?

Probably not: Blue nails can be from poor perfusion due to vascular disease, low oxygen (hypoxia), or from toxins such as methemoglobenemia. Deconditioning (lack of activity) may be a symptom of low oxygen and not a cause. Outside versus inside air have the same oxygen content. I would advise you see an md to do a workup for anemia, oxygen levels, and vascular disease. ...Read more

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What is a low oxygen level in the blood considered?

What is a low oxygen level in the blood considered?

Sats <90%: Oximeter showing <90% or more appropriately pao2 <58 is considered hypoxia and need for o2 supplemental oxygen will be needed. ...Read more

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How do you detect low oxygen levels in blood?

How do you detect  low oxygen levels in blood?

Low oxygen: One way is to use a pulse oximeter which fits over the finger and gives a good approximation of the oxygen in the blood. ...Read more

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What does it mean if you have low oxygen levels in your blood tests?

What does it mean if you have low oxygen levels in your blood tests?

Lung disease: Is the commonest reason for a low level of oxygen in the blood. It can also happen in heart disease if the heart is failing and fluid builds up in otherwise-healthy lungs, or if there is a hole in the heart, causing blood to bypass the right heart circulation into the lungs and skip picking up oxygen there. These are examples of some common causes. Smoking, high altitude=examples of lung reasons. ...Read more

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What do a high white blood cell reading and low oxygen level in your blood suggest? How do you cure this?

Need diagnosis...: Before you can be treated, you need a diagnosis. The high WBC count may be due to an infection. If you add to this a low oxygen saturation, you may have a respiratory infection like acute bronchitis or pneumonia. See your doctor for diagnosis and treatment. ...Read more

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Arterial blood gases, very low oxygen levels found, what to do?

Arterial blood gases, very low oxygen levels found, what to do?

What is the level: If that's you, it must be wrong since you would not be thinking enough to be here, consider venous blood. On the other hand if it is someone else, then that person needs oxygen either by cannula, mask or even a ventilator. ...Read more

Dr. Scott Bolhack
3,102 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