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Doctor insights on: Where Does Gas Exchange Take Place In The Lungs

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Is there always a underlying condition like lupus when you have + ana's and decreased gas exchange in lungs or could it be from smoking.

Is there always a underlying condition like lupus when you have + ana's and decreased gas exchange in lungs or could it be from smoking.

See details: Problems with gas exchange suggest restrictive rather than obstructive lung disease. Restrictive disease is not associated with smoking but is not uncommonly a complication of lupus. ...Read more

Lung (Definition)

Deoxygenated blood enters the lungs from the right side of the heart and travels to the lungs. When you inspire, oxygen flows into the lungs, transverses the capilliares and attaches to hemoglobin down a gradient. At the same time, co2 diffuses into the capilaries and is expelled with exhalation. Oxygen rich blood then flows to the left side of the heart and into the ...Read more


Dr. Tony Ho Dr. Ho
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Explain this? Lip pursing annoying habit can actually increase end-respiratory pressure (the eep of peep) and improve gas exchange in lungs. Thanks.

Dr. Tony Ho Dr. Ho
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Recruitment: By increasing end expiratory pressure, you stent your airways more open and can recruit alveoli for better gas exchange. This is the basis for the classic "pink puffer" variant of copd. ...Read more

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What could cause pain on right side of abdomen abdomen swelling positive ANA and decrease lung gas exchange.

What could cause pain on right side of abdomen abdomen swelling positive ANA and decrease lung gas exchange.

These could be: These could be related or they may not. It is up to your physician to make the intepretation based on your history, exam, and other labs and tests. ...Read more

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+ ANA x 2 decreased lung gas exchange now I have to have a echocardiogram &six minute walk stress test. Ena labs normal. What is walk test for?No dx

+ ANA x 2 decreased lung gas exchange now I have to have a echocardiogram &six minute walk stress test. Ena labs normal. What is walk test for?No dx

Sounds like: Sounds like you are being evaluated for pulmonary hypertension which is where you have elevated blood pressure between your heart and lungs. This can be associated ANA autoimmune diseases. The six minute walk is to see if your oxygen levels drop with exertion on the lungs. ...Read more

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Would lung cancer cause enlarged hilar and mediasternal nodes, GGO on Chest CT and impaired gas exchange. Other lung function tests are normal?

Would lung cancer cause enlarged hilar and mediasternal nodes, GGO on Chest CT and impaired gas exchange. Other lung function tests are normal?

Possibly: There are many different forms of lung cancer however the most common types usually appear as a solitary nodule or mass on CT. GGO can be seen with lymphatic involvement as is suggested by the enlarged lymph nodes described. This can be from infection, cancer or autoimmune diseases such as sarcoidosis and even heart failure. A biopsy of an enlarged lymph node may be required. ...Read more

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How long does it usually take for care providers to maintain and improve gas exchange in people with SARS. I need an estimation please. Thanks!

How long does it usually take for care providers to maintain and improve gas exchange in people with SARS. I need an estimation please. Thanks!

Personal treatment: Each person has many factors that can influence their response to a given infection. Oxygen therapy can often improve gas exchange quickly. Some patients will require assisted breathing on a mechanical ventilator in an intensive care unit. ...Read more

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If you have SARS, you will have impaired Gas exchange right? How long does it take to improve and maintain the patient's respiratory status?

If you have SARS, you will have impaired Gas exchange right? How long does it take to improve and maintain the patient's respiratory status?

It depends: Impaired gas exchange would generally be a late feature of the disease, calling for critical care. It very much depends on the particular virus on how aggressive it is. The same is true for how long it takes for recovery. Younger patients, in general, have better prognosis. ...Read more

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I feel dyspnea tachycardia yawing a lot to take my breath after eating .. I feel my stomach is full of gases and compress my lung somehow ?!

I feel dyspnea tachycardia yawing a lot to take my breath after eating .. I feel my stomach is full of gases and compress my lung somehow 
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SOB: Increased gas in your stomach and intestines are expanding them, much like a balloon.This in turn is pushing up on your lungs and giving you shortness of breath (sob). ...Read more

Gas (Definition)

In a medical context, "having gas" refers to having too much gas in the bowels. This causes burping, cramps in the belly, ...Read more