COPD Phenotypes Flashcards

1
Q

what are the two major phenotypes of COPD?

A

chronic bronchitis and emphysema

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2
Q

what is chronic bronchitis?

A

it is characterized by airway inflammation and obstruction of the smaller airways

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3
Q

when is chronic bronchitis diagnosed?

A

a history of chronic productive cough for at least 3 consecutive months over 2 consecutive years is required for clinical diagnosis

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4
Q

what is emphysema?

A

is characterized by loss of lung elasticity and abnormal enlargement of the air spaces distal to the terminal bronchioles with destruction of the alveolar walls and capillary beds

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