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Doctor insights on: Normal Lungs Vs Asthma Lungs

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How likely is it, that I still have asthma, when my peakflow are normal? Is it possible to have significant inflammation in lungs with normal peakflow

How likely is it, that I still have asthma, when my peakflow are normal? Is it possible to have significant inflammation in lungs with normal peakflow

Normal peak flow: U have to remember peak flow charts r averages of the general population, not necessarily ur normal. So if ur pf improves significantly with albuterol use I would say u likely have asthma regardless of what the actual numbers r ...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


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October 2012 I had a virus that went to my chest. 4 months later my asthma is worse than ever and my lungs are damaged. How do I get back to normal?

October 2012 I had a virus that went to my chest. 4 months later my asthma is worse than ever and my lungs are damaged. How do I get back to normal?

Daily exercise!: Good morning, the surface lining of our airway protects us from the effects of environments and agents we are constantly exposed to. An infection by a virus can destroy this layer, exposing the underlying nerves, which sends signals to contract and reduce the airflow, causing cough and wheezing. Daily exercise can reduce airway tone, along with inhaled medications. Follow instructions of doctor. ...Read more

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When someone has active wheezing from asthma are their lung funtion lower than their normal?

When someone has active wheezing from asthma are their lung funtion lower than their normal?

Yes: It goes the other way around. A person who is wheezing from asthma has partial obstruction to the airflow when he is breathing, and therefore will get lower than normal results on lung function testing. The testing measures the lung problem, and thus shows lower function when the lung is functioning lower. ...Read more

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I am diagnosed with bronchitis or inflamed lungs every 2 months. I am always tired and catch ill easily. Non smoker, no asthma, no allergy. Normal?

I am diagnosed with bronchitis or inflamed lungs every 2 months. I am always tired and catch ill easily. Non smoker, no asthma, no allergy. Normal?

M.D. visit: Frequent lung infections/non specific inflammation may be related to a number of conditions. If there is a retained aspirated material, reflux and aspiration into the lung, TB, immunodeficiency, these can be related to this occurrence. I would suggest that you have a chest radiograph, lung function testing and assessment for possible immunodeficiency with lab testing. Physician visit is indicated. ...Read more

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4 months after a bad chest virus I have severe asthma symptoms. Is there anything I can do besides take medication? When will my lungs reset to normal

4 months after a bad chest virus I have severe asthma symptoms. Is there anything I can do besides take medication? When will my lungs reset to normal

Duration can vary!: Good morning, the surface lining of our airway protects us from the effects of environments and agents we are constantly exposed to. An infection by a virus can destroy this layer, exposing the underlying nerves, which sends signals to contract and reduce the airflow, causing cough and wheezing, especially in those with asthma. Exercise can reduce airway tone, along with inhaled medications. ...Read more

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Lung volumes show significantly decreased functional residual capacity, but otherwise normal, what's this mean? Doc says I have asthma but decreased frc online says restrictive disease im scared!

Lung volumes show significantly decreased functional residual capacity, but otherwise normal, what's this mean? Doc says I have asthma but decreased frc online says restrictive disease im scared!

Decrease FRC: Frc is the volume of air present in the lungs at the end of passive expiration. Obesity and posture will decrease the frc. I am imaging you just got a complete pulmonary function test. In asthmatic patient, the FRC can be normal or high if associated with emphysema or more chronic obstructive conditions. Low FRC with normal pft is not diagnostic of restrictive lung disease. Trust your lung doctor. ...Read more

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What can happen with your lungs if you have asthma, but don't take medicines (cortison or broncodilator) for several years? Ct is normal.

What can happen with your lungs if you have asthma, but don't take medicines (cortison or broncodilator) for several years? Ct is normal.

Asthma: The inflammation in your airways goes unchecked, thereby narrowing your airways and making gradually hard to breathe. You lose lung function and may end up walking around with an oxygen tank and unfortunately may die early. ...Read more

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Thin ex smoker 28yo shows hyperinflated lungs in X-ray would it indicate asthma or copd? 12 pack year history. Fev values normal. Odds of emphysema?

Thin ex smoker 28yo shows hyperinflated lungs in X-ray would it indicate asthma or copd? 12 pack year history. Fev values normal. Odds of emphysema?

Difficult todiagnose: A chest Xray alone cannot give detailed information about whether a patient has asthma vs. COPD. Many factors must be taken into account. A full set of pulmonary function testing in a physician's office with FEV1, FVC, DLCO etc. And a detailed history and physical examination is the first step. ...Read more

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4y/o w/severe asthma had atelectasis in 1 lung, 3mnth ago. Dr said from asthma but he has recurring cyanosis & chest tightness. Is this normal?

4y/o w/severe asthma had atelectasis in 1 lung, 3mnth ago. Dr said from asthma but he has recurring cyanosis & chest tightness. Is this normal?

Not normal: Can be expected with uncontrolled asthma, your child needs more follow up, and good adherence to treatment plan, uncontrolled severe asthma, can be unfortunately a killer, please get evaluated by an asthma specialist, either a pulmonologist or an allergist ...Read more

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Shortness of breath during light activities. Echocardiography, xray of lungs, asthma test all normal. If a problem what could it be? Which tests to do

Shortness of breath during light activities. Echocardiography, xray of lungs, asthma test all normal. If a problem what could it be? Which tests to do

Other causes: Of shortness of breath could just be deconditioning, or may be depression, being overweight, sedentary life, anemia, or still asthma, spirometery is important to rule it out completely, good luck ...Read more

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Lung vibration when breathing in only on left side, also a wheezing sound on exhaling, pf is normal I do have asthma, does this sound serious?

Lung vibration when breathing in only on left side, also a wheezing sound on exhaling, pf is normal I do have asthma, does this sound serious?

Your symptoms: Are too complex and incomplete todiagnose over the net. You need to be examined and likely have at least a chest x-ray. Do not delay. ...Read more

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I am on oxygen for asthma and altitude, but my levels are over 90 all day. I use it at night. Can I ever stop? Heart and lung tests were normal. Is it harmful to use if not needed?

I am on oxygen for asthma and altitude, but my levels are over 90 all day. I use it at night. Can I ever stop? Heart and lung tests were normal. Is it harmful to use if not needed?

Depends: The answer depends on the testing you have had done and the pulmonary dr. Following your case. Some people have good pulse ox reading during the day, but when an overnight pulse ox test is performed they 'desaturate' to low levels that are troublesome, thus oxygen is rx'd for night time use. Check with the prescribing dr. On how your condition is doing, and keep going to follow-up appts. Good luck. ...Read more

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Chances of lung nodule being cancerous in 52/f never smoker, had normal chest xray in april, then nodule show in july. She has history asthma & bronchitis.

Chances of lung nodule being cancerous in 52/f never smoker, had normal chest xray in april, then nodule show in july. She has history asthma & bronchitis.

Need not be a cancer: Lung nodules can be of any nature. Needs proper evaluation with a CT scan of the chest (with and without IV contrast) to begin, as it is new and showed up first time. ...Read more

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Shortness of breath with mucus for a year. Doc has said Gerd. Doesn't think asthma. Smoked 10 yrs.25. Lung test normal. Copd? Pneumonia? Just smoking?

Shortness of breath with mucus for a year. Doc has said Gerd. Doesn't think asthma. Smoked 10 yrs.25. Lung test normal. Copd? Pneumonia? Just smoking?

Quit smoking: The most obvious answer of course is that you have to stop smoking. There is no benefit from smoking, and as long as you continue to do so, you will be short of breath and have increased mucous and cough. You know this. Smoking makes asthma, GERD and COPD worse if you have them. Smoking causes other serious chronic health problems, such as cancers, stroke, heart disease. Have you tried Chantix? ...Read more

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Can you have allergic asthma with no wheezing or cough? I breathe normal but something doesn't feel right when I inhale in my chest. Been checked and heart and lungs are normal. I also have a stuffy nose at night.

Can you have allergic asthma with no wheezing or cough? I breathe normal but something doesn't feel right when I inhale in my chest. Been checked and heart and lungs are normal. I also have a stuffy nose at night.

Asthma: Simply means "inflamed" lower airways, can be allergic or non-allergic, and yes it can happen without wheezing/cough, just chest tightness. Whether you have asthma or not, you need to be evaluated for your symptoms by an asthma specialist, you may not have the condition. spirometry, sort of lung function testing, or methacholine challenge may be needed. See an allergist or a pulmonologist, good luck ...Read more

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Feel awful since 1994-6 virus. No work last 3 yrs. Meet CDC criteria cfs/me. Normal endocrine, heart, gi, lung, neuro, psy except asthma, bp, diabetes/2, minor platelet hi/lo, sleep apnea/cpap. Next?

Feel awful since 1994-6 virus. No work last 3 yrs. Meet CDC criteria cfs/me. Normal endocrine, heart, gi, lung, neuro, psy except asthma, bp, diabetes/2, minor platelet hi/lo, sleep apnea/cpap. Next?

Chronic fatigue: Being in cambridge, you have access to the smartest doctors in the world. If you have exhausted all the medical diagnoses they can think of and no viral or autoimmune diseases have been detected, it might actually be time to try something really different but definitely harmless, like hypnotherapy or reiki. These types of healing may help you cope with your situation, or may actually help you. ...Read more

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Chest-PA View is normal, This is enough to confirm I don't have asthma issues? Else please share what tests need to done for the same please help

Chest-PA View is normal, This is enough to confirm I don't have asthma issues? Else please share what tests need to done for the same please help

Mgt: Please obtain pulmonary function testing pre and post BD. If you have a response with fewer symptoms within one hour of taking Albuterol inhaler this can support the diagnosis. ...Read more

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I have had asthma all my life, is it normal for my maintenance drug to cause chest pain?

Unlikely: Depending what medication you are using, some with long acting beta agonists have been linked to cardiac problems in a subpopulation of uncontrolled asthmatics. Talk to your treating physician about your symptoms, maybe your asthma is not controlled. ...Read more

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Can a person with asthma have normal chest sounds during asthma attack?

Tricky: They can be missed for being an asthma attack easily. Often the overall airflow is really low so you might not hear any breath sounds and not hear wheeze. WIth a bit of careful attention you'd still catch this as abnormal. ...Read more

Dr. Sue Ferranti
3,017 Doctors shared insights

Asthma (Definition)

A disease of the lungs caused by chronic inflammation of the airways most often caused by allergies. This inflammation results in airway swelling and hyperactivity leading to difficulty breathing, shortness of ...Read more