COPD exacerbations are associated with increased airway and systemic inflammation and physiological changes, especially the development of hyperinflation. They are triggered mainly by respiratory viruses and bacteria, which infect the lower airway and increase airway inflammation.
Symptoms · Shortness of breath, especially during physical activities · Wheezing · Chest tightness · A chronic cough that may produce mucus (sputum) ..
沒有看病人,所以一切按主治醫生的意見。。。