No evidence of acute bronchial or pulmonary infection ... Both asthma and emphysema involve obstruction to the flow of gas within the lungs, but, in addition, emphysema includes irreversible ...

As the alveoli break down, your bronchial tubes can start to collapse, too ... is called the Global Initiative for Chronic Obstructive Lung Disease (GOLD). It’s a formula to rank emphysema ...

One hundred and three tests were performed in 67 patients with obstructive pulmonary emphysema ... with the degree of anatomic change in the lungs as seen on x-ray examination the largest ...