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how common is it for someone to need a pulmonary function test

A member asked:
Dr. Shabbir Hossain
15 years experience Internal Medicine
Common test: Its a fairly common test used to quantify several different lung functions. Quite useful.
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2 thanks
Dr. Andrew Murphy
28 years experience Allergy and Immunology
Not very: Pft's are used to evaluate patients with breathing problems that the physician thinks is related to the lungs. If one does not have breathing problems ... Read More

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A 39-year-old female asked:
Dr. John Chiu
Dr. John Chiu answered
56 years experience Allergy and Immunology
100% of predicted: A good one would be one as close to normal as possible. Too low a dlco/va means that there is likely an air-transfer blockage. Too high may point to ... Read More
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1 thank
Dr. Michael Sanders
15 years experience Pulmonology
See below: A normal DLCO on a PFT is between 80 and 120% of predicted.
A 35-year-old female asked:
Dr. John Chiu
Dr. John Chiu answered
56 years experience Allergy and Immunology
Can only guess: That the quality was fair likely meaning that your efforts were not sufficient in performing the test.
1
1 thank
Dr. Amrita Dosanjh
35 years experience Pediatrics and Pediatric Pulmonology
Some thoughts: It depends on the system used, but I would suggest repeating your testing and asking the pulmonary technician about the notations.
1
1 thank
A 35-year-old female asked:
Dr. Roland El ghazal
A Verified Doctor answered
A US doctor answered Learn more
Possible obstruction: This particular test can detect a very early obstruction to the airflow (seen in diseases such as asthma/emphysema etc...) However there are people ... Read More
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1 thank
A 41-year-old member asked:
Dr. Jason Adler
23 years experience Pediatric Critical Care
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 a ... Read More
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1 thank
A 42-year-old member asked:
Dr. Sue Ferranti
28 years experience Internal Medicine
PFT...: Pulmonary function tests are tests that measure your respiratory functioning. They will show if you have obstructive or restrictive lung disease as we ... Read More
A 42-year-old member asked:
Dr. Ed Friedlander
43 years experience Pathology
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 t ... Read More
A 36-year-old member asked:
Dr. Gary Moss
Dr. Gary Moss answered
28 years experience Allergy and Immunology
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 ... Read More
3
3 thanks
A 46-year-old member asked:
Dr. Linda Green
44 years experience Pediatric Allergy and Asthma
Breathing test: The pulmonary function test measures how well air moves in and out of the lungs and what you lung capacity is. Basically you blow into a machine. You ... Read More
A 42-year-old member asked:
Dr. Jason Adler
23 years experience Pediatric Critical Care
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 a ... Read More

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