Explain The Four Stages Of Emphysema

The Stages of Emphysema
According to the World Health Organization (Who), “more than three million people died of [Chronic Obstructive Pulmonary Disease]COPD in 2012, which is equal to 6% of all deaths globally that year.”[1] Emphysema is one of the common type of COPD, additionally, according to the Centers for Disease Control and Prevention,”number of adults who have ever been diagnosed with emphysema ]is about] 3.4 million.”[2] Emphysema develops slowly over the years, as a result, the doctors describe the progression of emphysema by using staging systems ,or the Chronic Obstructive Lung Disease (Gold) which created by group called the Global Initiative. Most specialists recognize that emphysema has four stages of development. These is no test can give an accurate predict for what would happen during the stages to any individual patient who has emphysema. As a result, emphysema is different from one patient to another. This essay will identify the four stages of emphysema.

According to the Wellness Consumer Health Information, “[These tests] known as Pulmonary Function Testing (PFTs), which show obstruction (Spriometry-FEV1/FVC ratio of less than 70 percent).”[3] In the first stage of emphysema, which known as mild emphysema. The forced expiratory volume, or FEV1, is more than 80% of the normal or equal. The patients who have this stage usually can control the symptoms easily and avoid it from progressing to other stagers. As a result, the patients can live as a normal