Doctors use lung diffusion tests to measure how well a person’s lungs exchange oxygen and carbon dioxide. The test can detect lung damage and help diagnose lung conditions, including emphysema and ...

Background Pulmonary function testing provides important insight regarding health; the vital capacity (VC) is so named because of its association with survival and longevity. Interpretation of ...

Q:I have been wheezing on and off lately and had a lung-function test at my primary-care doctor's office. It showed my lung function was fine. Does that mean I don't have asthma? I had asthma when I ...

From asthma to chronic obstructive pulmonary disease (COPD), there are a variety of conditions that can affect the lungs. Wheezing or general shortness of breath may be signs that the lungs aren’t ...