COPD1Version en ligne Distinguishing signs and symptoms between emphysema and chronic bronchitis par Taylor Schmidt Callahan 1 Chronic Bronchitis S&S 2 Emphysema S&S Cyanosis Recurrent cough Increased Hemoglobin Blocked/obstructed bronchial tubes Thin appearance No sputum production Increased carbon dioxide retintion No cyanosis Barrel Chest