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Published online by Cambridge University Press: 30 May 2006
Airflow obstruction is common in older persons but frequently under-diagnosed. The term refers to a spectrum of chronic respiratory disorders characterized by cough, dyspnoea, mucus hypersecretion, wheeze and impaired pulmonary function tests. Patients may be diagnosed as having late-onset asthma, chronic obstructive pulmonary disease (COPD), chronic bronchitis, emphysema or fixed airflow obstruction of the elderly.