Pulmonary Function Testing (PFT) is a complete assessment of respiratory system comprising patient history, chest x-ray examinations, physical examinations, arterial blood gas analysis, and tests of pulmonary function. Its primary purpose is to identify the severity of pulmonary impairment & respiratory issues. It is used to measure the rate of flow, gas exchange & lung volume capacity. The testing systems help to diagnose lung disorders along with treatment or ... Read more