Chronic Obstructive Pulmonary Disease (COPD) is a progressive, largely irreversible lung condition characterised by airflow obstruction. Although cigarette smoking is the single most important risk factor in its development, other associations and risk factors are thought to have increasing relevance throughout the world. COPD is usually managed in primary care, although it is commonly under-diagnosed, and is one of the most common medical conditions necessitating admission to hospital. The...
