Abstract: Preserved ratio impaired spirometry (PRISm) is a pulmonary function pattern characterized by a forced expiratory volume in one second (FEV1) to forced vital capacity ratio greater than 0.70, ...

Experts in the field of chronic obstructive pulmonary disease define the role of pulmonary function tests such as spirometry for a diagnosis. Transcript Neil B. Minkoff, MD: Let me ask 1 last question ...

Background Pulmonary function testing provides important insight regarding health; the vital capacity (VC) is so named because of its association with survival and longevity. Interpretation of ...