Diagnosis
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CHRONIC OBSTRUCTIVE PULMONARY DISEASE & EMPHYSEMA
Chronic obstructive pulmonary disease encompasses several diffuse pulmonary diseases including chronic bronchitis, asthma, cystic fibrosis, bronchiectasis, and emphysema. The term usually refers to a mixture of chronic bronchitis and emphysema.;Chronic bronchitis is defined clinically by increased mucus production and recurrent cough present on most days for at least three months during at least two consecutive years.;Emphysema is the destruction of interalveolar septa. The disease occurs in the distal or terminal airways and involves both airways and lung parenchyma.