Stage 3 COPD: Severe Stage COPD And You
As you know, chronic obstructive pulmonary disease (COPD) affects everyone differently and at varying rates of progression. Stage 1 COPD, or mild stage COPD, is categorized by a forced expiratory volume in one second (FEV1) of about 80 percent or more of normal lung capacity based on the GOLD System, and stage 2 COPD is categorized with a … Read more