Pulmonary ventilation is a method of overcoming air stagnation in the lungs and increasing respiratory movement of the chest used for people with chronic obstructive pulmonary disease to treat and quickly relieve congestion.

Pulmonary ventilation testing is indicated to assess the types and levels of pulmonary ventilation disorders; assess symptoms of dyspnea, cough; early detection of respiratory dysfunction such as interstitial lung disease, chronic obstructive pulmonary disease. In addition, pulmonary ventilation testing also assesses the level of reduced lung function for occupational diseases, chronic lung diseases; assess treatment effectiveness, assess the patient's lung function before surgery...

To diagnose ventilation disorders, doctors will perform lung function tests on patients, which is the gold standard for diagnosing chronic obstructive pulmonary disease (COPD).