COPD is a progressive lung disease with mild symptoms in the early ... Doctors grade your spirometry results from grade 1 (least severe) to grade 4 (most severe). In the old system, these grades ...

Share on Pinterest PongMoji/Getty Images Spirometry is an important tool for diagnosing and determining treatment for chronic ... COPD based on the following: The first stage is considered mild ...

Current guidelines recommend use of one or more long-acting inhaled bronchodilators for patients with moderate, severe ... subgroups of COPD patients, such as those with more mild disease or ...

So if you're regularly short of breath and have a persistent cough, it advises that you be examined by a doctor, who can have you take a pulmonary function ... of COPD: mild, moderate, severe ...