Lung function

Pulmonary function test is one of the necessary tests for respiratory diseases. Pulmonary function test includes ventilation function, ventilation function, respiratory regulation function and pulmonary circulation function. For early detection of lung and airway lesions, assessment of the severity and prognosis of the disease, assessment of the efficacy of drugs or other treatments, identification of the cause of dyspnea, diagnosis of lesions, assessment of lung function tolerance to surgery or labor intensity Tolerance and monitoring of critically ill patients have important guiding significance.