So a COPD exacerbation ... you get an exacerbation, it's just cutting a little bit more lung function off your lung. So it's really accelerating some sort of lung damage in your chest.

The 80-year-old woman with chronic obstructive pulmonary disease (COPD) was experiencing an exacerbation of the ... Health Sciences Center compared x-ray images of the woman's lungs from 20 ...