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Doctor insights on: Pulmonary Function Test Side Effects

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What is involved in typical pulmonary function test?

What is involved in typical pulmonary function test?

Pulmonary function: Pulmonary function testing generally requires a person to sit in a booth and breathe through a mouthpiece. A machine analyzes the flow and volume of air moving trough the lungs. The procedure is benign and not painful. ...Read more

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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What can trigger an inaccurate pulmonary function test?

PFT: This test can be highly variable. The quality of the test can depend on several things. The patient performing the test has to really give it a good effort. Many times this is also dependent on the person administering the test, who must be a good instructor. Also the equipment must be calibrated, and functioning well, no air leaks and also the type of equipment may allow for some variability ...Read more

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What could have caused me to fail my pulmonary function test?

What could have caused me to fail my pulmonary function test?

Interpretation/M.D.: The pulmonary function test report shows many values related to lung function. The report generated may indicate whether the quality of the testing and your effort led to inaccurate values.
Multiple different forms of lung disease may cause low values upon testing. ...Read more

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How common is it for someone to need a pulmonary function test?

How common is it for someone to need a pulmonary function test?

Common test: Its a fairly common test used to quantify several different lung functions. Quite useful. ...Read more

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I have to get a pulmonary function test. What does this entail?

I have to get a pulmonary function test. What does this entail?

Blowing: You have to blow into a tube. You will be given specific instructions by the therapist performing the test. No injections, no anesthesia. You might be given a medication to inhaler. You might have to sit in a closed glass box. ...Read more

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What is the definition or description of: pulmonary function test?

Lung function tests: 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 the oxygen exchange function. ...Read more

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What is a pulmonary function test and what is the procedure for it?

Checks lung function: Pfts check numerous areas of lung capacity, flow rates, etc. And are useful in treating/diagnosing emphysema, copd, restrictive ariway diseases, asthma, and understanding lung capabilites prior to surgery. This would be common in smokers, elderly, or in patients with lung diseases like cystic fibrosis. Pfts are easy and done in a lab or pulmonary specialist's facility. ...Read more

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What does it mean that my CHG FEF2575=22% on my pulmonary function test?

Albuterol resp: The change in the value of the FEF 25 -75 of 22% may indicate an improvement with a bronchodilator, if you were given albuterol during the testing.

If the 22% is the percent predicted value, then this indicates airflow obstruction in the smallest airways. ...Read more

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My daughter's pulmonary function test showed moderate obstruction, what does this mean?

My daughter's pulmonary function test showed moderate obstruction, what does this mean?

See below: Obstructive diseases are usually asthma or COPD. There is a disease in women called LAM that causes an obstructive pattern on PFT's, but it's pretty rare. I would have her see a pulmonologist to discuss the findings and review her history. ...Read more

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Could the breathing exercises, performed during pulmonary function test, be done routinely?

Could the breathing exercises, performed during pulmonary function test, be done routinely?

Yes, no benifit: There is no benefit to do them to increase lung function. The best way is to build endurance is through a structured physical therapy program. Nothing can really increase lung capacity either. This is a matter of conditioning. You can do the exercise but no real gain. If you want to measure during exercise then a cardiopulmonary stress test is better. This is a dynamic test on a bike. ...Read more

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Pulmonary Function test showed obstruction and restriction. How is this treated? Is it serious?

Pulmonary Function test showed obstruction and restriction. How is this treated? Is it serious?

Depends on the cause: In most instances, restriction is caused by excessive body weight and obstruction by asthma in a non-smoker. Losing weight will help reduce the restriction and if you do have asthma it can usually be controlled with medication and anti-allergy Rx. Asthma can be serious. Why have you not discussed this with the doctor who obtained the lung function test? ...Read more

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I'm wondering can the breathing exercises, performed during pulmonary function test, be done routinely?

I'm wondering can the breathing exercises, performed during pulmonary function test, be done routinely?

Breathing exercises: The maneuvers that are used during a pulmonary function test are designed to test certain parameters of how well parts of the lung work. They are not meant to exercise the lung. The best thing you can do is some sort of cardio-pulmonary exercise to condition the breathing muscles and heart. ...Read more

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What is a pulmonary function test?

PFT's: Are tests that look at your lung function. They are used to tell if you have obstructive disease by looking at how much air you can blow out; they can tell if you have a restrictive disease by looking at your lung volumes; and they can tell how well you are able to exchange oxygen between your alveoli (air sacs) and capillaries by doing a diffusion test. ...Read more

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What exactly is a pulmonary function test?

What exactly is a pulmonary function test?

PFT's: Are tests that look at your lung function. They are used to tell if you have obstructive disease by looking at how much air you can blow out; they can tell if you have a restrictive disease by looking at your lung volumes; and they can tell how well you are able to exchange oxygen between your alveoli (air sacs) and capillaries by doing a diffusion test. ...Read more

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Pulmonary function test results, what to do?

Pulmonary function test results, what to do?

What's the question?: As much as we'd like to, nobody here can advise you without our knowing what's troubling you, what your symptoms and signs are, and what you've been told. Pulmonary function tests are of limited value even in arriving at a clinical diagnosis, let alone as a guide to treatment. ...Read more

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What happens during a pulmonary function test?

What happens during a pulmonary function test?

Breathing test: Pulmonary function test (pfts) are non-invasive breathing studies done with a computer. You breathe into it according to the direction of the technician and it measures the volume of air and forces during breathing. Often then you breath in a medicine that relieves airway spasm (bronchodilator) to measure any changes resulting. Another part of the test measures gas exchange at the alveolar level. ...Read more

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What is invovled in a pulmonary function test?

What is invovled in a pulmonary function test?

Test for asthma: It involves blowing into a tube which is connected to a computer. It measures a number of variables of airflow. Often, after getting a baseline, we give the patient an asthma medication called "albuterol, " and repeat the test. The results are used to diagnose asthma and emphysema, among other diseases. ...Read more

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Can I tell me how I can pass a pulmonary function test?

Can't be done: You can study to pass an exam, try to cheat to pass a drug test (it probably will not work), but you can't do anything to pass a pulmonary function test. It's a measure of your body, and it's as impossible to prepare for it as it is to prepare to have your height measured. ...Read more

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Can I tell me how I can pass the pulmonary function test?

Can't be done: You can study to pass an exam, try to cheat to pass a drug test (it probably will not work), but you can't do anything to pass a pulmonary function test. It's a measure of your body, and it's as impossible to prepare for it as it is to prepare to have your height measured. ...Read more

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What information do I have to bring along to do the pulmonary function test?

Basic: To do the test, no information is needed except height weight and smoking history. It would probably help the treating physician if he had an accurate medical history, specifically of lung and heart disease, exposures, current and past medications, and your insurance information. ...Read more

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What does the letter "F" from quality report on my pulmonary function test mean?

Some thoughts: It depends on the system used, but I would suggest repeating your testing and asking the pulmonary technician about the notations. ...Read more

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Why is the difference between volume flow and rate of flow in pulmonary function test?

PFTs...: In pulmonary function testing, volume flow refers to how much air is inhaled or exhaled whereas the rate of flow tests how fast the air is inhaled or exhaled. ...Read more

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What should I expect from a pulmonary function test? What happens during a pulmonary function test? Will I be awake for this and are there risks?

What should I expect from a pulmonary function test? What happens during a pulmonary function test? Will I be awake for this and are there risks?

PFT: You are entirely awake and are asked to breath deeply then exhale as quickly as possible through a tube. This is repeated until you get three exhalations that are about the same. There is no real risk to this. I suppose some patients can hyperventilate and get a bit dizzy. ...Read more

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What pulmonary function test used for copd?

What pulmonary function test used for copd?

Spirometry: This is the standard test to determine pulmonary obstructions. If you think this is your case, don;t hesitate being tested and if you smoke- stop now! ...Read more

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Would a pulmonary function test accurately diagnose asthma?

Would a pulmonary function test accurately diagnose asthma?

Nearly essential: Asthma is not one illness, but several processes that appear in greater or lesser degrees in any one affected individual. Together they can lead to the functional problems we recognize as asthma. Pulmonary function tests measure air flow and volumes; accurately performed PFT's are indispensable in the diagnosis and management of asthma and COPD. ...Read more

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Where is a pulmonary function test usually done? At a hospital?

Sometimes: Sme physicians have a spirometer in the office that does some pulmonary function testing. Most hospitals will also have a respiratory lab where pfts (pulmonary function tests) can be done. ...Read more

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I did a pulmonary function test my fv1 was 74% could I be diagnosed with copd?

I did a pulmonary function test my fv1 was 74% could I be diagnosed with copd?

Yes you could: But, just having that one number isn't enough to tell if you have any ventilatory impairments. ...Read more

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I had a pulmonary function test. I was curious and wondering can someone be accidentally diagnosed with asthma?

I had a pulmonary function test. I was curious and wondering can someone be accidentally diagnosed with asthma?

Hard to say: A lot of what is labeled as asthma may not turn out to be over the long run. Most true asthmatics have some related diagnosis in early childhood, males before one and females by three. Yet I have seen a 16 yo female with her first event. Many teens have transient exercised triggered wheezing, which is less worrisome and often fades with age. You can always under-perform on function tests. ...Read more

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How accurate is a pulmonary function test that's testing for Asthma? Mine came back normal. Could I still possibly have asthma?

How accurate is a pulmonary function test that's testing for Asthma? Mine came back normal. Could I still possibly have asthma?

Short answer is: Yes: You may have a mild form with little exacerbation but a reactive airway disease is present. If there are no exacerbations, no treatment is necessary, ...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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What type of doctor can order a pulmonary function test?

All MDs/DOs: Virtually all mds/dos can order the test...But most often the test is ordered by primary care docs or pulmonologists or allergists.
Other docs don't usually order this because they don't manage lung diseases. ...Read more

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Could a pulmonary function test rule out emphysema 100%?

Could a pulmonary function test rule out emphysema 100%?

Yes: Pulmonary function tests are the definitive way to rule out emphysema if they are normal. ...Read more

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Possible for a pulmonary function test rule out emphysema 100%?

Possible for a pulmonary function test rule out emphysema 100%?

Early on no: In fact emphysema might have a normal spirograph, a diffusion test (dlco) is usually abnormal even early in the disease, but both can be within normal limits. No test is perfect. ...Read more

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What is the difference between pulmonary function test and methacholine challenge?

What is the difference between pulmonary function test and methacholine challenge?

Different: PFT measures your lung function in its current state.
Methacholine challenge is often used when the lung function test is normal but asthma is suspected. If the methacholine test showed a reduction in FEV-1 by 20% at a certain concentration, then the patient is considered to have an overactive airway which is often but not always from asthma. ...Read more

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Can pulmonary function test tell if I have asthma or any other respiratory diseases?

Can pulmonary function test tell if I have asthma or any other respiratory diseases?

Piece of Puzzle...: A pulmonary function test alone cannot tell a doctor if you have asthma. This test can be very useful but is used in conjunction with other important information including a detailed past medical history and physical exam. Both subjective and objective measures are used to determine if you have asthma or any other respiratory disease. ...Read more

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Could you have early emphysema with a normal ("unremarkable")pulmonary function test?

Could you have early emphysema with a normal ("unremarkable")pulmonary function test?

Definition...: By definition, COPD is chronic obstructive pulmonary disease. If the pulmonary function tests do not show chronic obstruction, then COPD is not diagnosed. However, chronic obstruction can develop especially if the person continues to smoke. Asthma can be present with unremarkable pulmonary function test. Repeat the test in 6-12 months if COPD is still a concern. Good luck! ...Read more

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What is the significance of change in your pulmonary function test after using bronchodilator?

See below: Bronchodilators are given during a PFT to see if you respond. If you do, that means giving you medications like albuterol would help you breathe better and would be a good option for treatment. ...Read more

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If my pulmonary function test showed lungs of 128-yr-old, why didn't my dr tell me I have COPD? Is it always?

If my pulmonary function test showed lungs of 128-yr-old, why didn't my dr tell me I have COPD? Is it always?

COPD: Means chronically obstructed and until the airway obstruction has shown no reversibility from treatment, you can't call it chronic. Since you have never smoked, your problem is likely from asthma and the airway obstruction is likely reversible. See an allergist ...Read more

Dr. Abraham Jaskiel
1 Doctor shared a insight

Spirometry (Definition)

A spirometry is a measurement of velocity (speed) of air coming in & out of the lungs which equals the diameter of the airways. This an indirect measument of the lung function diffeent patterns are posible & direct us as specialist to diagnosed ...Read more


Dr. Erik Borncamp
1 Doctor shared a insight

Respiratory (Definition)

Pertaining to the work of breathing done by the chest ...Read more