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Doctor insights on: Emphysema Breathe Oxygen

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Is it true that people with emphysema shouldn't breathe 100% oxygen?

Is it true that people with emphysema shouldn't breathe 100% oxygen?

Yes and No: Patients with emphysema are at some risk for developing high carbon dioxide levels (hypercapnea) if given high doses of oxygen. The oxygen will displace the carbon dioxide off of the red blood cell resulting in higher blood levels (haldane effect). However, hypoxia (low oxygen) is more likely to kill a patient than hypercapnea (high co2) so using high dose oxygen may be needed. ...Read more

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Copd (Definition)

COPD may include chronic bronchitis, emphysema, or both. Chronic bronchitis is the production of increased mucus caused by inflammation. Bronchitis is considered chronic if you cough and produce excess mucus most days for three months in a year, two years in a row. Emphysema is a disease that damages the air sacs and/or the smallest breathing tubes in the lungs. ...Read more


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I have copd, but why am i still short of breath while on oxygen?

I have copd, but why am i still short of breath while on oxygen?

Complicated dyspnea: Shortness of breath relates to the work of breathing as well as oxygenation. COPD when severe enough to need oxygen likely is associated with significant increase in the work of moving air into and out of the lungs. If still short of breath on oxygen there may still low oxygen in the blood stream or the work of getting enough into the blood stream may be causing the shortness of breath. ...Read more

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His oxygen level at 92 but has severe COPD. Is it safe to add oxygen now? Very out of breath all the time.

His oxygen level at 92 but has severe COPD. Is it safe to add oxygen now? Very out of breath all the time.

A VERY GOOD: QUESTION!! At a certain point in severe COPD the low Oxygen level is the ONLY stimulus to BREATHING ( the addition of Oxygen can result in apnea (lack of breathing and ultimately DEATH!) Therefore usually the supplemental tank will not contain PURE Oxygen! His PULMONOLOGIST is the person who should deal with this issue!! Hope this helps! Dr Z ...Read more

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I have COPD for the last few days i feel like I have 5 elephants on my chest making it very hard to breathe, however my oxygen is at 93 to 97?

I have COPD for the last few days i feel like I have 5 elephants on my chest making it very hard to breathe, however my oxygen is at 93 to 97?

Smoker?: COPD is chronic obstructive pulmonary disease manifested by bronchitis and emphysema. You may have an acute bronchi tic infection see a pulmonologists for treatment and if you smoke stop!? ...Read more

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I have end stage COPD and I find myself becoming shorter and out of breath on almost anything I do. I am on 4.5 oxygen and full meds. Advice, worried?

I have end stage COPD and I find myself becoming shorter and out of breath on almost anything I do. I am on 4.5 oxygen and full meds. Advice, worried?

Lung transplant: a non smoker with advanced COPD needing oxygen needs an alpha-1 anti trypsin detetermination. if low value replacement therapy should be considered ...Read more

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I have copd, was put on oxygen due to a bad cold and low oxygen levels. Why am i short of breath while on this oxygen? It's set at 2.

I have copd, was put on oxygen due to a bad cold and low oxygen levels. Why am i short of breath while on this oxygen? It's set at 2.

Several Factors: Your shortness of breath can be due to inadequate oxygen getting into your blood. This is a function of gas exchange. It might be manageable by increasing your oxygen, but you should check with your doctor first. Sometimes increasing the oxygen can actually make you breathe in and out less, resulting in the retention of carbon dioxide - which is bad. Good luck and feel free to ask more. ...Read more

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What are the treatment options fo stage 3 copd?My oxygen saturation levels are between 92 & 98, what causes my shortenss of breath even though I have "normal" oxygen levels?

Shortness of breath.: Your shortness of breath could be caused by an increase work of breathing. Because of the COPD, you may be working harder in order to achieve a normal oxygen level. You sense this increased work of breathing as shortness of breath. Also, if your oxygen level decreases with activity, this may lead to shortness of breath and requires oxygen therapy. A 6 minute walk test may help in diagnosis. ...Read more

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Can I have very severe emphysema and need no oxygen?

Can I have very severe emphysema and need no oxygen?

Is possible: It is possible that one can have severe emphysema and not need oxygen. Can have oxygen levels checked with walking as well as at rest to assess need for oxygen. ...Read more

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How can emphysema reduce the amount of oxygen that diffuses into the blood ?

How can emphysema reduce the amount of oxygen that diffuses into the blood ?

Destroys the lung: Emphysema causes destruction of lung tissue. The blood vessles in the lung get destroyed in the lung. These vessles carry the blood in the lung to pick up oxygen. If they are destroyed then, oxygen can not get into the blood vessles / blood and you get low oxygen. ...Read more

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How does emphysema reduce the amount of oxygen which diffuses into the blood?

How does emphysema reduce the amount of oxygen which diffuses into the blood?

From Destruction: The destruction in the lung tissue from emphysema makes the oxygen harder to cross into the blood because there is less tissue surface left. With less air sacs to participate in gas exchange, it is harder for oxygen to cross into the blood. Does that make sense? That's why people should stop smoking. ...Read more

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Dr. Sue Ferranti
491 doctors shared insights

Emphysema (Definition)

Emphysema is a lung disease caused by destruction of lung tissue--specifically the alveoli, which are the smallest sac-like units of the lung responsible for oxygen exchange. It is characterized by shortness of breath, an expanded chest, and possible signs of low oxygen in the body such as bluish ...Read more


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