A group of diseases characterized by chronic
or recurrent obstruction to the airflow within
the lung due to partial or complete
obstruction at any level from the trachea to
the terminal and respiratory bronchioles
Types
Chronic bronchitis
Persistent productive cough not
attributable to other causes on
most days for at least 3 months
over 2 consecutive years
Etiology + RF
Smoking
Signs and symptoms
Productive cough
Squamous metaplasia and dysplasia
Blue bloaters
Emphysema
characterized by permanent
enlargement (dilatation) of the
airspaces distal to the terminal
bronchioles (acinus = alveolar
ducts + sacs) accompanied by
destruction of their walls but
without obvious fibrosis
Types
Centiacinar
Panacinar
Irregular
Pathogensis
Protease/Antiprotease
Oxidant/Antioxidant
Pink Puffers
Asthma
Chronic relapsing inflammatory
disorder characterized by episodic
reversible bronchospasm (air flow
obstruction) resulting from an
exaggerated bronchoconstrictor
response to a variety of stimuli.