Chronic obstructive pulmonary disease, or COPD, is an ongoing group of lung conditions that include chronic bronchitis and emphysema. COPD is the result of damaged lung tissue, which leads to ...
What are pulmonary function tests? Pulmonary function tests (PFTs) are tests of lung function. They are intended to evaluate and monitor chronic obstructive pulmonary disease (COPD). COPD is ...