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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.

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

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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?

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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.

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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.

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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.

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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.

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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.

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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.

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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.

Dr. Jeffrey Wint
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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. Ihab Ibrahim
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Respiratory (Definition)

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