What a pulmonary function test reveals

Lung function test can find out the data of lung volume, lung ventilation function, lung air exchange function, etc. Doctors use these data to determine some diseases and assess the severity of the diseases.
Doctors can detect chronic bronchitis, emphysema, bronchial asthma, interstitial lung disease, etc. Through pulmonary function tests, doctors can assess the tolerance to surgery and the possibility of postoperative complications before surgery.
For chronic obstructive pulmonary disease (COPD), the severity of the disease can be assessed and a corresponding treatment plan can be formulated according to the severity of the disease.
Lung function test is a highly specialized test, the doctor must determine the corresponding disease and severity of the disease through the data obtained from the test combined with specific symptoms and signs.