COPD (Chronic Obstructive Pulmonary Disease) This is characterized by progressive airflow limitation that is not fully reversible. It includes chronic bronchitis, pulmonary emphysema and bronchial asthma. Chronic bronchitis, is a chronic inflammation of the lower respiratory tract characterized by excessive mucous secretion, cough, and dyspnea associated with recurring infections of lower respiratory tract. Pulmonary emphysema, […]