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Doctor insights on: If You Fail A Pft Does It Mean You Have Asthma

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If you fail a pft does it mean you have asthma?

If you fail a pft does it mean you have asthma?

Not necessarily: "failing" a pft can mean the presence of obstruction like in asthma or COPD but there can also be restrictive lung disease which is caused by a whole lot of diseases including fibrosis, musculoskeletal disease, etc. There is also a diffusing capacity which could be abnormal due to many factors. So, not all abnormal pfts mean asthma is present! ...Read more

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Pulmonary Function Test (Definition)

Pulmonary function tests is a term used to describe a group of tests done to determine lung function. Spirometry measures the amount of air that can be taken in as well as the flow rate of forcefully exhaled air . A graph is generated and can be used to determine lung function. Likewise lung volumes and diffusing capacity determine the capacity as well as ...Read more


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PFT shows decreased diffusion capacity and I have been experiencing dyspnea and gradually worsening. Does this mean it's just asthma?

No : Asthma doesn't affect diffusing capacity, but COPD does. You should discuss this with the physician who ordered the test. If you don't get the answers you need, make an appointment with a pulmonologist, get a copy of the report, and take it with you. ...Read more

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Just had a pft and was told that I have small airway disease showing obstructions in my small airways. What does that mean? I.E. Asthma or COPD or something else? Born at 27.5 weeks and on vent as baby.

Just had a pft and was told that I have small airway disease showing obstructions in my small airways. What does that mean? I.E. Asthma or COPD or something else? Born at 27.5 weeks and on vent as baby.

Asthma: The most typical reason for "small airway" disease in someone young is asthma or viral infection. Prematures can also have chronic lung disease and it is possible for those changes to be permanent. If you have asthma (and probably even if you have chronic lung disease from being premature) you can improve your lung function with appropriate therapy. Pulmonary anti-inflammatory therapies are key. ...Read more

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My doctor did a pft test on me and said I have asthma but i would like a second opinion where in las vegas should I go for that?

My doctor did a pft test on me and said I have asthma but i would like a second opinion where in las vegas should I go for that?

Allergist or pulm.: Pft's can help make the diagnosis, but symptoms and response to medication are often needed to confirm. If there was a significant change after bronchodilator (medicine to open the airways) or methacholine (which causes constriction) that would help to demonstrate asthma. Smoking cessation is important for you, especially given your symptoms. ...Read more

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Hyperventilation syndrome vs. Hyperinflated lungs? How do I find out which one i have. Pft dr. Said I have asthma. My symptoms match chv. Need help...

Hyperventilation syndrome vs. Hyperinflated lungs? How do I find out which one i have. Pft dr. Said I have asthma. My symptoms match chv. Need help...

Follow your doc: Follow your doctor's advice and don't diagnose yourself. Symptoms can overlap between different entities and if they started you on a treatment plan, follow it. ...Read more

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Was told I had mild asthma because PFT came back Okay.. But i wake up at night and have trouble breathing after almost nothing. Is it severe? How tell

Was told I had mild asthma because PFT came back Okay.. But i wake up at night and have trouble breathing after almost nothing. Is it severe? How tell

Asthma: Night time cough can be a sign of asthma that is not well controlled and medicines may help, so please relay this information to your health care worker. ...Read more

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Pulmonary function test in the past show asthma diagnosis. Tomorrow I have repeated pft for uncontrolled asthma. Any suggestions?

Pulmonary function test in the past show asthma diagnosis. Tomorrow I have repeated pft for uncontrolled asthma.  Any suggestions?

Asthma mgt: I would suggest asking for an interpretation in comparison with your prior test. PFTs are one part of the evaluation. If you have uncontrolled asthma, an asthma action plan and review of your medications and triggers is suggested. ...Read more

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Copd at age 27? Had pft and diagnosed with asthma. 3+ months ago i had pneumonia. Now i'm having symptoms of hyperinflated lungs.

Copd at age 27? Had pft and diagnosed with asthma. 3+ months ago i had pneumonia. Now i'm having symptoms of hyperinflated lungs.

COPD: COPD is chronic obstructive pulmonary disease. On xray...One will very commonly find hyperinflated lungs (by rib counting..Rough and dirty way). You should have pft's if you haven't already. Your not smoking i hope. There is good medical treatment out there. Go to your pcp or pulmonologist. ...Read more

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Dr. Sue Ferranti
2,911 doctors shared insights

Asthma (Definition)

Asthma is 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 breath, dry cough, etc. MIT is a diagnosis made by combining clinical ...Read more