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what does decreased diffusion capacity on a pulmonary function test mean

A 24-year-old male asked:
Dr. Alexander Bankov
36 years experience Anesthesiology
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
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A 41-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.
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A 39-year-old female asked:
Dr. John Chiu
Dr. John Chiu answered
56 years experience Allergy and Immunology
DLCO?: If you are referring to the DLCO value, then you may have some scarring in your lungs. Need to consult a pulmonologist.
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A 41-year-old female asked:
Dr. James Ferguson
45 years experience Pediatrics
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
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A 50-year-old member asked:
Dr. Charles Kattuah
22 years experience Dentistry
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 47-year-old member asked:
Dr. Michelle Zetoony
17 years experience Sleep Medicine
Restrictive change: Restrictive changes mean that you generally can get air in and out but just less (like your lungs are restricted... Like belly is restricted when your ... Read More
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A 43-year-old member asked:
Dr. Stephen Siegel
37 years experience Pulmonology
Improvement: An improvement in breathing capacity after bronchodilator administration is helpful as it demonstrates that there is reversibility of the airway obst ... Read More
A 36-year-old female asked:
Dr. Dennis Clifford
42 years experience Pulmonary Critical Care
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
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A 33-year-old male asked:
Dr. Scott Selinger
11 years experience Internal Medicine
Size does matter: This means that the passage of oxygen and carbon dioxide from the lungs to the blood is slightly lower than what it would be for an average person, bu ... Read More
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A 33-year-old male asked:
Dr. Scott Selinger
11 years experience Internal Medicine
Size does matter: This means that the passage of oxygen and carbon dioxide from the lungs to the blood is slightly lower than what it would be for an average person, bu ... Read More
A 33-year-old male asked:
Dr. Michael Dugan
Specializes in Hematology
Not much: It means that the gas exchange is on the low side, but when the calculation is adjusted for lung size it is normal.
A 46-year-old member asked:
Dr. Jen Jen Chen
12 years experience Pediatric Pulmonology
Expected: Residual volume is the volume left in your lungs after you exhale completely. In general, restrictive lung disease (rld) decreases your lung volumes, ... Read More
A 54-year-old member asked:
Dr. William Galli
26 years experience Pulmonary Critical Care
Depends on test: Not a typical number to report on a lung function test(pft). Possible explanations are lab error or even air trapping if on a certain portion of test. ... Read More
A 71-year-old female asked:
Dr. Douglas Arenberg
30 years experience Pulmonary Critical Care
30, or 30%: 30 would be quite good. 30% suggests your lungs are very inefficient at transferring gas from your lungs to your blood.
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A 34-year-old female asked:
Dr. Pavel Conovalciuc
22 years experience Family Medicine
Vital capacity: The formula for vital capacity calculation is the following: vc_{female} = (21.78 - 0.101 a )x h where vc stands for vital capacity, a for age in ... Read More
A 45-year-old member asked:
Dr. Robert Binford
37 years experience Thoracic Surgery
Ejection fraction: Ejection fraction is a method of measuring how well the heart squeezes. Normal should be around 65%. It is the percentage of blood a full heart push ... Read More
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A 49-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 52-year-old member asked:
Dr. Geoffrey Rutledge
40 years experience Internal Medicine
A : A pulmonary function test (often referred to as pfts) typically involves taking measurements of your lung capacity with a spirometer. This is a device ... Read More
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A 67-year-old female asked:
Dr. Ajay Acharya
36 years experience Internal Medicine
Not much: It means the archetecture and tissue density has changed slightly....because of age and use. But your doctor need to interpret this in the context of ... Read More
A 52-year-old female asked:
Dr. Albert Pizzo
59 years experience Family Medicine
Low pulm func: It may be significant , and you should see your doctor about follow up testing. Be sure you are inhaling clean and pure air.
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A 52-year-old member asked:
Dr. Srinivas Mummadi
17 years experience Pulmonology
Not related : Respiratory quotient is a number derived from the equation - amount of carbon dioxide produced divided by amount of oxygen consumed. It is used in som ... Read More
A 30-year-old member asked:
Dr. Barbara A Majeroni
Specializes in Family Medicine
Yes: The severity of your pulmonary fibrosis affects your blood oxygen levels. Areas that are fibrosed do not absorb as much oxygen as healthy lung tissue.
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A 60-year-old female asked:
Dr. Amrit Singh
50 years experience Cardiology
Emphysema: Asthma or congenital hemsiderisiderosi sarcoidosis lupus Rh A chf
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