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Pulmonary function test

A 39-year-old female asked:
Dr. John Chiu
Allergy and Immunology 57 years experience
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
Dr. Michael Sanders
Pulmonology 16 years experience
See below: A normal DLCO on a PFT is between 80 and 120% of predicted.

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A 35-year-old female asked:
Dr. John Chiu
Allergy and Immunology 57 years experience
Can only guess: That the quality was fair likely meaning that your efforts were not sufficient in performing the test.
Dr. Amrita Dosanjh
Pediatric Pulmonology 36 years experience
Some thoughts: It depends on the system used, but I would suggest repeating your testing and asking the pulmonary technician about the notations.
A 35-year-old female asked:
Dr. Roland El ghazal
A Verified Doctoranswered
A US doctor answeredLearn 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
Dr. Amrita Dosanjh
Pediatric Pulmonology 36 years experience
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. I... Read More
A 41-year-old member asked:
Dr. Jason Adler
Pediatric Critical Care 24 years experience
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
A 42-year-old member asked:
Dr. Sue Ferranti
Internal Medicine 29 years experience
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
Pathology 44 years experience
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
Allergy and Immunology 29 years experience
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
A 46-year-old member asked:
Dr. Linda Green
Pediatric Allergy and Asthma 45 years experience
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
Pediatric Critical Care 24 years experience
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
A 49-year-old member asked:
Dr. Keith Diaz
Internal Medicine 17 years experience
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... Read More

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