(HealthDay News) — A 5-item questionnaire plus peak expiratory flow (PEF) can identify undiagnosed chronic obstructive pulmonary disease (COPD), according to a study published in the American Journal ...
Lung function in 1686 adult patients was measured before, and 15 minutes after, salbutamol inhalation. Bronchodilator responsiveness (BDR) was defined as a 12% improvement over baseline in either FEV ...
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