Diseases of the lungs belong to the department of respiratory medicine, checking lung function is usually the first thing to hang up the respiratory medicine outpatient consultation.
Lung function test is one of the commonly used tests for respiratory diseases, which mainly checks the patient’s lung capacity, lung ventilation function, lung gas exchange function, small airway function, etc. It is the first choice for the test of the diseases that cause dyspnea due to the narrowing or obstruction of airways, such as chronic obstructive pulmonary disease, asthma and other diseases.
Lung function tests are usually performed to determine lung function and the severity of the disease when there is lung disease complicating dyspnea, and have the advantages of being simple, fast, and inexpensive.
Lung function tests also have certain limitations, patients who experience lung discomfort need to go to the hospital in a timely manner, in addition to lung function tests, if necessary, under the guidance of a doctor to carry out X-rays, CT and other perfect lung examination.