Pulmonary Function Test in Lung Diseases
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The tests determine how much air your lungs can hold, how quickly you can move air in and out of your lungs. The tests can diagnose lung diseases, measure the severity of lung problems, and check to see how well treatment for a lung disease is working. Lung function tests are done to: Determine the cause of breathing problems. Diagnose certain lung diseases, such as asthma or chronic obstructive. pulmonary disease (COPD). Evaluate a person’s lung function before surgery. Check the lung function of a person who is regularly exposed to substances. such as asbestos that can damage the lungs. Check the effectiveness of treatment for asthma and other lung diseases. The testing may take from 5 to 30 minutes, depending upon how many tests are done.