Figure 2.
Therapy at progressing stages of chronic obstructive pulmonary disease.4
Note: From the Global Strategy for Diagnosis, Management and Prevention of COPD, updated 2010 used with permission from the Global Initiative for Chronic Obstructive Lung Disease (GOLD), www.goldcopd.org.
Abbreviations: FEV1, forced expiratory volume in 1 second; FVC, forced vital capacity.