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Doctor insights on: Lack Of Oxygen Symptoms

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I'm curious. What symptoms go along with lack of oxygen?

I'm curious. What symptoms go along with lack of oxygen?

Many: Depending on whether it is acute or chronic. When chronic, there is fatigue, breathlessness on exertion and, if carbon dioxide levels are also rising, somnolence deteriorating to coma. When acute, there is confusion (think of pilots above 10, 000 feet without oxygen), cyanosis, breathlessness progressing to frank air hunger. If coronary disease is present, there is angina. ...Read more

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Dr. Sewa Legha
224 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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When I laugh I feel dizzy like I'm going to pass out . Lack of oxygen? New symptom. Also when I cough . What could this be ?

When I laugh I feel dizzy like I'm going to pass out . Lack of oxygen? New symptom. Also when I cough . What could this be ?

Vagal response : It sound like you are getting s Vaal reaction initiated by the sudden increase in the abdominal pressure from laughing or coughing . Try to stay well hydrated by drinking at least 6-8 bottles of water a day in the winter and more in summer . Not better see a doctor ...Read more

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What's your opinion on treating lack of oxygen?

What's your opinion on treating lack of oxygen?

Mixed: As a pulmonologist i know that hypoxia (low oxygen saturation) is something to be avoided, but i think we may well over-prescribe oxygen therapy. There are trials going on to determine whether our current practice (provide supplemental o2 to anyone who drops below 88% saturation either at rest or with activity) is beneficial, harmless, or harmful. You may want to see if you are eligible for this. ...Read more

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What are the effects of lack of oxygen to the brain?

What are the effects of lack of oxygen to the brain?

Stroke or death : If localized area then patient will have stroke but if it's global and for long time then can cause brain death. ...Read more

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Help me out here: what is lack of oxygen?

Help me out here: what is lack of oxygen?

Low levels of oxygen: There are a few different ways to measure oxygen levels in your blood. Simply put, oxygen is necessary for your body to produce energy (to stay alive!) if the levels of oxygen are a little bit low, your body will slowly suffer. If its really low, the body cannot survive for long. There are several organs involved in delivering oxygen to your body. Which one is not functioning? ...Read more

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Can someone die in a stuck elevator for lack of oxygen?

Can someone die in a stuck elevator for lack of oxygen?

No: Elevators are not sealed. Air moves in and out of elevators. ...Read more

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How does a lack of oxygen affect the brain?

How does a lack of oxygen affect the brain?

Cerebral anoxia: Confusion or loss of consciousness, dizziness, seizures, coma. Oxygen deprivation to the brain causes brain cells to die within minutes. ...Read more

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How can I prevent lack of oxygen in my eyes?

How can I prevent lack of oxygen in my eyes?

Not a problem: The front of the eye gets its oxygen directly from the air. Contact lenses can diminish this but modern designs minimize this problem. If you are having trouble getting oxygen to the back of the eye, then you have a major circulatory system problem which needs cardiac attention. ...Read more

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Is all death lack of oxygen? Is all brain death lack of oxygen? Can humans die solely from too much oxygen?

Is all death lack of oxygen? Is all brain death lack of oxygen?  Can humans die solely from too much oxygen?

Not for "BrainDeath": Yes lack of oxygen is a cause of brain damage from a variety of causes. One can also have brain death from trauma (head injury). Also metabolic issues such as to low blood sugars. Also too much oxygen can damage the lung tissue. ...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