What is a Pulmonary Function Test (PFT)?

Pulmonary Function Testing (PFT) is a well-established modality of testing for evaluating lung volume, capacity, rates of flow, and gas exchange.

Pulmonary Function Testing (PFT) is a well-established modality of testing for evaluating lung volume, capacity, rates of flow, and gas exchange. An exhaled Nitric Oxide test (Fractional Concentration of Exhaled Nitric Oxide Oxide - FeNO) can assist with determining how much inflammation is present in the airways.