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PULMONARY FUNCTION TEST ( PFT )
Parameters : 1
Also known as : PULMONARY FUNCTION TEST (PFT)
EXCLUSIVE PRICE
600
Report Delivery
1 Day
Free Sample Collection
Bookings above 500
Pre - Instruction
No Preparation Required.
Covid Safety
Assured
Test Details
Test Code BOBT00602
Test Category Individual Test
Sample Type
Details of PULMONARY FUNCTION TEST ( PFT )
What is PULMONARY FUNCTION TEST (PFT) ?
Pulmonary function tests (PFTs) are noninvasive tests that show how well the lungs are working. The tests measure lung volume, capacity, rates of flow, and gas exchange. This information can help your healthcare provider diagnose and decide the treatment of certain lung disorders. There are 2 types of disorders that cause problems with air moving in and out of the lungs:
  • Obstructive. This is when air has trouble flowing out of the lungs due to airway resistance. This causes a decreased flow of air.

  • Restrictive. This is when the lung tissue and/or chest muscles can’t expand enough. This creates problems with airflow, mostly due to lower lung volumes.

PFT can be done with 2 methods. These 2 methods may be used together and perform different tests, depending on the information that your healthcare provider is looking for:
  • Spirometry. A spirometer is a device with a mouthpiece hooked up to a small electronic machine.

  • Plethysmography. You sit or stand inside an air-tight box that looks like a short, square telephone booth to do the tests.
PFT measures:
  • Tidal volume (VT). This is the amount of air inhaled or exhaled during normal breathing.

  • Minute volume (MV). This is the total amount of air exhaled per minute.

  • Vital capacity (VC). This is the total volume of air that can be exhaled after inhaling as much as you can.

  • Functional residual capacity (FRC). This is the amount of air left in lungs after exhaling normally.

  • Residual volume. This is the amount of air left in the lungs after exhaling as much as you can.

  • Total lung capacity. This is the total volume of the lungs when filled with as much air as possible.

  • Forced vital capacity (FVC). This is the amount of air exhaled forcefully and quickly after inhaling as much as you can.

  • Forced expiratory volume (FEV). This is the amount of air that expired during the first, second, and third seconds of the FVC test.

  • Forced expiratory flow (FEF). This is the average rate of flow during the middle half of the FVC test.

  • Peak expiratory flow rate (PEFR). This is the fastest rate that you can force air out of your lungs.
Normal values for PFTs vary from person to person. The amount of air inhaled and exhaled in your test results are compared to the average for someone of the same age, height, sex, and race. Results are also compared to any of your previous test results. If you have abnormal PFT measurements or if your results have changed, you may need other tests.
Why might I need pulmonary function tests?
There are many different reasons why pulmonary function tests (PFTs) may be done. They are sometimes done in healthy people as part of a routine physical. They are also routinely done in certain types of work environments to ensure employee health (such as graphite factories and coal mines). Or you may have PFTs if your healthcare provider needs help to diagnose you with a health problem such as:
  • Allergies

  • Respiratory infections

  • Trouble breathing from injury to the chest or a recent surgery

  • Chronic lung conditions, such as asthma, bronchiectasis, emphysema, or chronic bronchitis

  • Asbestosis, a lung disease caused by inhaling asbestos fibers

  • Restrictive airway problems from scoliosis, tumors, or inflammation or scarring of the lungs

  • Sarcoidosis, a disease that causes lumps of inflammatory cells around organs, such as the liver, lungs, and spleen

  • Scleroderma, a disease that causes the thickening and hardening of connective tissue
PFTs may be used to check lung function before surgery or other procedures in patients who have lung or heart problems, who are smokers, or who have other health conditions. Another use of PFTs is to assess treatment for asthma, emphysema, and other chronic lung problems. Your healthcare provider may also have other reasons to advise PFTs.
What are the risks of pulmonary function tests?
Because pulmonary function testing is not an invasive procedure, it is safe and quick for most people. But the person must be able to follow clear, simple directions.

All procedures have some risks. The risks of this procedure may include:
  • Dizziness during the tests

  • Feeling short of breath

  • Coughing

  • Asthma attack brought on by deep inhalation
In some cases, a person shouldn’t have PFTs. Reasons for this can include:
  • Recent eye surgery, because of increased pressure inside the eyes during the procedure

  • Recent belly or chest surgery

  • Chest pain, recent heart attack, or an unstable heart condition

  • A bulging blood vessel (aneurysm) in the chest, belly, or brain

  • Active tuberculosis (TB) or respiratory infection, such as a cold or the flu
Your risks may vary depending on your general health and other factors. Ask your healthcare provider which risks apply most to you. Talk with him or her about any concerns you have.

Certain things can make PFTs less accurate. These include:
  • The degree of patient cooperation and effort

  • Use of medicines that open the airways (bronchodilators)

  • Use of pain medicines

  • Pregnancy

  • Stomach bloating that affects the ability to take deep breaths

  • Extreme tiredness or other conditions that affect a person’s ability to do the tests (such as a head cold)
Routine Tests
PULMONARY FUNCTION TEST ( PFT )
Parameters : 1
Also known as : PULMONARY FUNCTION TEST (PFT)
EXCLUSIVE PRICE
600
Report Delivery
1 Day
Free Sample Collection
Bookings above 500
Pre - Instruction
No Preparation Required.
Covid Safety
Assured
Test Details
Test Code BOBT00602
Test Category Individual Test
Sample Type
Details of PULMONARY FUNCTION TEST ( PFT )
What is PULMONARY FUNCTION TEST (PFT) ?
Pulmonary function tests (PFTs) are noninvasive tests that show how well the lungs are working. The tests measure lung volume, capacity, rates of flow, and gas exchange. This information can help your healthcare provider diagnose and decide the treatment of certain lung disorders. There are 2 types of disorders that cause problems with air moving in and out of the lungs:
  • Obstructive. This is when air has trouble flowing out of the lungs due to airway resistance. This causes a decreased flow of air.

  • Restrictive. This is when the lung tissue and/or chest muscles can’t expand enough. This creates problems with airflow, mostly due to lower lung volumes.

PFT can be done with 2 methods. These 2 methods may be used together and perform different tests, depending on the information that your healthcare provider is looking for:
  • Spirometry. A spirometer is a device with a mouthpiece hooked up to a small electronic machine.

  • Plethysmography. You sit or stand inside an air-tight box that looks like a short, square telephone booth to do the tests.
PFT measures:
  • Tidal volume (VT). This is the amount of air inhaled or exhaled during normal breathing.

  • Minute volume (MV). This is the total amount of air exhaled per minute.

  • Vital capacity (VC). This is the total volume of air that can be exhaled after inhaling as much as you can.

  • Functional residual capacity (FRC). This is the amount of air left in lungs after exhaling normally.

  • Residual volume. This is the amount of air left in the lungs after exhaling as much as you can.

  • Total lung capacity. This is the total volume of the lungs when filled with as much air as possible.

  • Forced vital capacity (FVC). This is the amount of air exhaled forcefully and quickly after inhaling as much as you can.

  • Forced expiratory volume (FEV). This is the amount of air that expired during the first, second, and third seconds of the FVC test.

  • Forced expiratory flow (FEF). This is the average rate of flow during the middle half of the FVC test.

  • Peak expiratory flow rate (PEFR). This is the fastest rate that you can force air out of your lungs.
Normal values for PFTs vary from person to person. The amount of air inhaled and exhaled in your test results are compared to the average for someone of the same age, height, sex, and race. Results are also compared to any of your previous test results. If you have abnormal PFT measurements or if your results have changed, you may need other tests.
Why might I need pulmonary function tests?
There are many different reasons why pulmonary function tests (PFTs) may be done. They are sometimes done in healthy people as part of a routine physical. They are also routinely done in certain types of work environments to ensure employee health (such as graphite factories and coal mines). Or you may have PFTs if your healthcare provider needs help to diagnose you with a health problem such as:
  • Allergies

  • Respiratory infections

  • Trouble breathing from injury to the chest or a recent surgery

  • Chronic lung conditions, such as asthma, bronchiectasis, emphysema, or chronic bronchitis

  • Asbestosis, a lung disease caused by inhaling asbestos fibers

  • Restrictive airway problems from scoliosis, tumors, or inflammation or scarring of the lungs

  • Sarcoidosis, a disease that causes lumps of inflammatory cells around organs, such as the liver, lungs, and spleen

  • Scleroderma, a disease that causes the thickening and hardening of connective tissue
PFTs may be used to check lung function before surgery or other procedures in patients who have lung or heart problems, who are smokers, or who have other health conditions. Another use of PFTs is to assess treatment for asthma, emphysema, and other chronic lung problems. Your healthcare provider may also have other reasons to advise PFTs.
What are the risks of pulmonary function tests?
Because pulmonary function testing is not an invasive procedure, it is safe and quick for most people. But the person must be able to follow clear, simple directions.

All procedures have some risks. The risks of this procedure may include:
  • Dizziness during the tests

  • Feeling short of breath

  • Coughing

  • Asthma attack brought on by deep inhalation
In some cases, a person shouldn’t have PFTs. Reasons for this can include:
  • Recent eye surgery, because of increased pressure inside the eyes during the procedure

  • Recent belly or chest surgery

  • Chest pain, recent heart attack, or an unstable heart condition

  • A bulging blood vessel (aneurysm) in the chest, belly, or brain

  • Active tuberculosis (TB) or respiratory infection, such as a cold or the flu
Your risks may vary depending on your general health and other factors. Ask your healthcare provider which risks apply most to you. Talk with him or her about any concerns you have.

Certain things can make PFTs less accurate. These include:
  • The degree of patient cooperation and effort

  • Use of medicines that open the airways (bronchodilators)

  • Use of pain medicines

  • Pregnancy

  • Stomach bloating that affects the ability to take deep breaths

  • Extreme tiredness or other conditions that affect a person’s ability to do the tests (such as a head cold)
 

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