Interpretation of Pulmonary Function Tests

With that in mind, PFTs can be roughly divided into 5 basic components, spirometry, volumes, diffusing capacity, arterial blood gas, and flow-volume loops. Abreviations: FEV1 forced expiratory volume in the first 1 second of expiration. FVC forced vital capacity. FEF25-75 forced expiratory flow in the middle 1/2 of an expiration. TLC total lung ... ................
................