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CHRONIC BRONCHITIS (CLINICAL FEATURES (respiratory acidosis, clubbing,…
CHRONIC BRONCHITIS
CLINICAL FEATURES
respiratory acidosis
clubbing
hypoxia,hypercapnea
high sputum
R-side heart failure
cyanotic
MORPHOLOGY
Mucopurulent secretion
Hyperemia, edema
mucous gland & goblet cell
high number
high size
squamous metaplasia
dysplasia of bronchial epithelium
Pathogenesis
Mucus hypersecretion
goblet and mucus gland
Narrow bonciole & bronchi
Inflammation & fibrosis in wall
cilia effected
smokers, air pollution