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Doctor insights on: Patients Copd Flow Concentration Supplemental Oxygen

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Why would patients with COPD be given low flow concentration (1-2l/min) supplemental oxygen?

Why would patients with COPD be given low flow concentration (1-2l/min) supplemental oxygen?

Low blood oxygen: At the advanced stages of copd, the lungs do not perform their function well, oxygen has a harder time crossing into the blood stream. At this point, the body is not getting enough energy, the blood oxygen level is low. Raising the amount of inhaled oxygen offsets the problem, and prolongs life. Oxygen is used at the lowest amount that would achieve the goal. ...Read more

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Dr. Oscar Novick
1 doctor shared a insight

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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Why should patients with COPD be given low flow concentration supplemental oxygen?

Why should patients with COPD be given low flow concentration supplemental oxygen?

Helps: if a patient has a saturation less than 88 they qualify for supplemental oxygen. oxygen is the only therapy proven to prolong life in advanced copd ...Read more

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For what reason should patients with COPD be given low flow concentration (1-2l/min) supplemental oxygen?

For what reason should patients with COPD be given low flow concentration (1-2l/min) supplemental oxygen?

Low oxygen...: People with COPD can develop low oxygen levels due to their lung disease. Oxygen therapy is then administered in the lowest amount needed to treat their hypoxia. Too much oxygen can actually cause lung toxicity which worsens lung function. ...Read more

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Why oxygen supplementation contraindicated with obstructive lung disease?

Why oxygen supplementation contraindicated with obstructive lung disease?

Not usually: COPD is a problem with the ability of the lungs to expel air, which causes poor oxygenation. People with COPD are often treated with oxygen; however, if supplemental oxygen levels are too high it can cut off a person's ability to trigger their own breathing mechanism. If the disease is severe you actually may not be able to survive without the use of oxygen. ...Read more

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Does oxygen saturation drop with exercise?

Does oxygen saturation drop with exercise?

No: In general, it does not. If it happens in your case, please seek help. ...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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Could low oxygen (decreased lung expansion) decreases cardiac output?

Could low oxygen (decreased lung expansion) decreases cardiac output?

Possible: The heart needs oxygen as fuel to do its job. If oxygen is very low, the heart may not pump as well. ...Read more

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How would oxygen deprivation change arterial blood gas levels?

How would oxygen deprivation change arterial blood gas levels?

Breath rate increase: O2 deprivation will typically cause people to breath faster. Abg measures levels of oxygen, carbon dioxide and blood ph. Faster breathing causes a drop in co2 which then causes the blood to have an increase in ph (towards basic, not acidic). Over time, the body would compensate for this ph change via acid retention by the kidney and although the co2 would remain low, the ph would approach normal. ...Read more

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Oxygen saturation level during heart attack?

Oxygen saturation level during heart attack?

Low: Blood circulation is not good during a heart attack which makes it hard for air exchange. ...Read more

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Are oxygen saturation levels lower in the elderly?

Not necessarily: As we age, it may get a little harder for the oxygen to get into the blood through your lungs. But, as long as you have healthy lungs, the oxygen saturation levels can be normal well into one's 80s or 90s. ...Read more

Dr. John Chiu Dr. Chiu
6 doctors agreed:
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Spirometry results essentially normal spirometry. Hyperinflation questionable the single breath diffusing capacity is moderately impaired. COPD?

Dr. John Chiu Dr. Chiu
6 doctors agreed:

Possible: A reduced DLCO/Va points to damage or scarring in the lung tissue and emphysema (especially if you have been a smoker) or other interstitial lung diseases may be the cause. The normal lung function however is not compatible with COPD but then I don't understand what you meant by hyperinflation in the presence of normal lung function test. See a pulmonologist. ...Read more

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70 % lung function - will this patient require oxygen?

70 % lung function - will this patient require oxygen?

Not really: Pt should have abg done and if oxygen level is less than 55, pt will need oxygen, ( or o2 sat <88%). ...Read more

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How much can a low venous oxygen saturation affect judgement?

Depends: Low oxygen levels can affect someone's judgment and arousal. But, this is variable between people. I have met plenty of people with very low oxygen levels and can act and feel fine. So, there is no general rule about that... ...Read more

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What are the oxygen level guidelines, before someone needs supplemental oxygen?

Depends...: Actual medical history and details of the reason for monitoring the oxygen level are required before this question can be answered. The level isn't the same for someone with no medical issues vs someone with cyanotic heart disease (for example). If there is a specific person you are asking about - discuss your concern with their physician. ...Read more

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With congestive heart failure or coronary ischemia would the oxygen saturation shown on the monitor at hospitals drop?

Possibly: With severe or "decompensated" congestive heart failure, the oxygen saturation is frequently low due to the pint of water in the lungs. As this condition is treated, the oxygen level will improve. For ischemia, it would be very unc. ...Read more

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Could hyperbaric oxygen therapy make us age slower?

I don't think that : There is evidence for halting the aging process at this time. But, i wouldn't be surprised if if was advertised for this purpose. Approved uses for hyperbaric oxygen include: decompression sickness, gas embolism (arterial), recalcitrant soft tissue infections ; osteomyelitis, gangrene, carbon monoxide poisoning, wounds or skin grafts/flaps that aren't healing w standard tx, crush injuries, thermal. ...Read more

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Checking oxygen saturation for person with carbon monoxide inhalation, any suggestions?

Use ABG: The problem with co monoxide poisoning is that the co binds tightly to the hemoglobin and if you use saturation, yes that ligand is occupied and will be saturated so saturation is up in the spectrophotometry method. The actual method which is the blood gas will show how much o2 is bound to the hemoglobin. ...Read more

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Why should patients with COPD be given low flow concentration supplemental oxygen?

Helps: if a patient has a saturation less than 88 they qualify for supplemental oxygen. oxygen is the only therapy proven to prolong life in advanced copd ...Read more

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Why would patients with COPD be given low flow concentration (1-2l/min) supplemental oxygen?

Low blood oxygen: At the advanced stages of copd, the lungs do not perform their function well, oxygen has a harder time crossing into the blood stream. At this point, the body is not getting enough energy, the blood oxygen level is low. Raising the amount of inhaled oxygen offsets the problem, and prolongs life. Oxygen is used at the lowest amount that would achieve the goal. ...Read more

See 1 more doctor answer
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For what reason should patients with COPD be given low flow concentration (1-2l/min) supplemental oxygen?

Low oxygen...: People with COPD can develop low oxygen levels due to their lung disease. Oxygen therapy is then administered in the lowest amount needed to treat their hypoxia. Too much oxygen can actually cause lung toxicity which worsens lung function. ...Read more

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For copd, what's considered a high concentration of required supplemental oxygen?

For copd, what's considered a high concentration of required supplemental oxygen?

4 - 5 lpm: There is no classification commonly agreed to since it would serve no medical purpose. Most supplier are not able to provide more than 6 lpm without liquid oxygen tanks. People requiring these levels have a very limited life expectancy. ...Read more

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How can I improve my breathing so i can get off supplemental oxygen? I do not have COPD or other. I live in high altitude state.

How can I improve my breathing so i can get off supplemental oxygen?  I do not have COPD or other.  I live in high altitude state.

Oxygen: There typically is an underlying reason that you need oxygen-acute pneumonia/ recent surgery with underlying lung issue that was not previously causing problem/ pe, etc. Whatever the underlying reason is has to be remedied and then you should be reassessed. ...Read more

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Could you give high flow o2 to a COPD patient?

Depends...: Oxygen is only prescribed when the oxygen level in the body is low and only in the lowest amount needed to maintain the oxygen level at an acceptable level. Oxygen must be carefully prescribed by a doctor with monitoring of the patient's oxygen levels because giving too much oxygen is harmful as is not giving enough! see your doctor if you think your oxygen level is low! ...Read more

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Copd ---- what's considered a high concentration of required oxygen?

Copd ---- what's considered a high concentration of required oxygen?

Delivery: Perspective is that 21% is the concentration from the air we breath. 2-3% increase in concentration is from each liter of oxygen added. So 1 liter is about 24% and this can go through a nasal canula tube. Over 4-5 liters, you cannot get this from a canula and need continuous flow to maintain the concentration. This would be considered "high" in my book. Not sure if this answers your question. ...Read more

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Muliple organ failure do u need supplemental oxygen?

Yes: Multi-organ failure generally indicates a critical illness that affects multiple organ systems & delivery of oxygen can be compromised as lungs are generally also involved. Most patients are in the icu, on ventilatory support & continuous infusions with medications to maintain their circulation & heart function. Oxygen is the basic fuel for all cellular metabolic processes. ...Read more

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Can there be a way to tell if i need supplemental oxygen at home?

Talk to your doc: Need for supplemental oxygen at home is used in advanced stages of various chronic lung disorders such as copd, cystic fibrosis, pulmonary fibrosis etc. It would be useful to get a detailed assessment done by a pulmonologist to decide if chronic o2 therapy would be beneficial. Level of support depends on underlying severity & type of disease. Talk to your pulmonologist for further assessment. ...Read more

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What are the oxygen level guidelines, before someone needs supplemental oxygen?

Depends...: Actual medical history and details of the reason for monitoring the oxygen level are required before this question can be answered. The level isn't the same for someone with no medical issues vs someone with cyanotic heart disease (for example). If there is a specific person you are asking about - discuss your concern with their physician. ...Read more

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What is oxygen level guideline, before needing supplemental oxygen if you are out of shpe?

BASED ON PO2/O2 SATU: Grp1 po2at or below 55mmhg(awake&at rest) if higher but fall to these levels during sleep or>10mmhg, or5%o2 sat+ corpulmnale, covered for exercise only if the levels drop to groupa level during exercise. Grp2 po2 56-59 mm hg or o2sat89%, and documentation of edema/chf, or cor pulmonale by pul artery pressure, or erythrocytemia withhct>56%. ...Read more

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I am on supplemental oxygen at night. Can one predict how soon i will need oxygen 24/7? I have severe emphysema.

O2: Really no way to predict it other than to say not smoking and avoiding exposure to smoke will certainly slow that progression down. ...Read more

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What are the minimum oxygen requirements for COPD patients?

What are the minimum oxygen requirements for COPD patients?

No minimum: There is no minimum. Ambient air is 21%, if it is not enough, you go up from there. Oxygen delivered by a nasal cannula starts with 0.5 lpm and goes up from there by half liter increments. Common starting rates are 1 - 1.5 lpm. ...Read more

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A person with emphysema often needs to be given supplemental oxygen, but why is it important?

O2 is good.: Long term oxygen therapy has been shown in some trials to improve mortality. It has also been shown in other trials to improve quality of life, reduce depression, improve cognitive function, improve exercise capacity, and reduce frequency of hospitalization. ...Read more

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Hi doctors, can you tell me what is oxygen level guideline, before needing supplemental oxygen?

Supplemental O2: The use of supplemental oxygen is based on the arterial oxygen level at rest and with exertion. Usually a pulse oximetry test is performed during conditions of exertion and sleep/rest to determine whether oxygen is needed. ...Read more

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Will increasing a COPD patient's oxygen when taken to 5, 000 ft altitude injure her?

Will increasing a COPD patient's oxygen when taken to 5, 000 ft altitude injure her?

Usually not: Check with the doctor to make sure the patient does not have a tendency to retain carbon dioxide. Also, it is best to have an oximeter, a device that measures oxygen levels, with you. It will allow you to use just enough, not more not less. ...Read more

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Once I start on supplemental oxygen, will I have to stay on it? Or, will I become addicted to supplemental oxygen?

Once I start on supplemental oxygen, will I have to stay on it? Or, will I become addicted to supplemental oxygen?

No: There is no description of an oxygen withdrawal syndrome (providing one maintains an appropriate minimum oxygen level) presumably the net benefit of chronic oxygen outweighs the net side effects so a necessary aspect of addiction does not exist. ...Read more

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Dr. Scott Bolhack
3,117 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. Tanya Russo
62 doctors shared insights

Oxygen Supplementation (Definition)

Oxygen can be given by a mask worn over the face or a tube below the nose. This helps deliver more oxygen to people in circumstances when their natural ...Read more