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What does decreased diffusion capacity on a pulmonary function test mean

A 47-year-old female asked:
Dr. Richard Romano
Internal Medicine 9 years experience
How does any test apply to me? To answer that it should be understood that tests results are taken into account with the things the patients, says, t... Read More

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A 19-year-old male asked:
Dr. Alexander Bankov
Anesthesiology 37 years experience
Different things:: it would be best to discuss in details with your doctor.. Restrictive means reduced ability of lungs to expand, as opposed to obstructive, which refer... Read More
A 33-year-old female asked:
Dr. John Chiu
Allergy and Immunology 57 years experience
DLCO?: If you are referring to the DLCO value, then you may have some scarring in your lungs. Need to consult a pulmonologist.
Dr. Amrita Dosanjh
Pediatric Pulmonology 36 years experience
Many causes: I would suggest reviewing the full report with the Respiratory lab and your physician. The next step may include an imaging study of your lungs, in th... Read More
Dr. Michael Sanders
Pulmonology 16 years experience
See below: If you are referring to the DLCO, then there are a number of things that can make that number low. I would see a pulmonologist. Your history and cu... Read More
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.
A 35-year-old female asked:
Dr. James Ferguson
Pediatrics 46 years experience
Not simple pneumonia: For a simple pneumonia, the initial x-rays can provide classical features and the doc can send you on your way with simple treatment. Interstitial lun... Read More
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
A 42-year-old member asked:
Dr. Charles Kattuah
Dentistry 23 years experience
Restricted airway: Her airway is narrow or partially blocked by something. The next step is to find out why. Does she have asthma? Is it a congenital defect? These are q... Read More
A 29-year-old female asked:
Dr. Dennis Clifford
A Verified Doctoranswered
A US doctor answeredLearn more
No: It means that there is some obstruction in the airways of the lung. Depending on the cause this may mean you require treatment, or not. Some airflow o... Read More
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
A female asked:
Dr. Ronald Krauser
A Verified Doctoranswered
A US doctor answeredLearn more
No: Pulmonary function tests do not cause any damage.

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