Spirometry is the only recognized method of definitively diagnosing chronic obstructive pulmonary disease (COPD). 1 It also gives patients and physicians a reliable way of tracking the progression ...

“If you have airflow obstruction based on spirometry, your risk for lung cancer is significantly higher than someone who has the same pack-year history of smoking that does not have airflow ...

The odds for bronchodilator responsiveness significantly fell among patients who underwent spirometry testing in the ...