It is a series of breathing tests that measure how well your lungs work. It evaluates lung volume, airflow, and gas exchange efficiency. PFT helps detect conditions like asthma, COPD, and restrictive lung disease. It is essential for assessing respiratory health, monitoring treatment progress, and optimizing performance in both medical and athletic settings.
Assesses lung performance through key metrics. FVC measures total exhaled air, while FEV₁ shows how much is released in the first second. The FEV₁/FVC ratio identifies obstruction, and PEF reflects airflow strength. TLC measures the overall air the lungs can hold, with low values suggesting restrictive disease.









