Pulmonary Function Test (PFT) is a non-invasive diagnostic procedure used to assess how well the lungs are working. It measures lung volume, capacity, rates of flow, and gas exchange to diagnose and monitor respiratory conditions.

PFT is commonly used to detect diseases like asthma, chronic obstructive pulmonary disease (COPD), and other conditions affecting breathing. The test is safe, quick, and essential in evaluating symptoms such as shortness of breath, chronic cough, or wheezing.