All are seen in chronic bronchitis except:
The most common symptoms of COPD- cough, sputum production, and exeional dyspnea. Some patients with advanced disease have paradoxical inward movement of the rib cage with inspiration (Hoover's sign), the result of alteration of the vector of diaphragmatic contraction on the rib cage as a result of chronic hyperinflation. Clubbing is not seen in Chronic bronchitis
Cough > 3 months
Bronchorrhea
Hoover sign
Clubbing
COPD and Asthma