Can You Have COPD With Normal Peak Flow?
Can You Have COPD With Normal Peak Flow? Background: Chronic obstructive pulmonary disease (COPD) is underdiagnosed. One barrier to diagnosis is the limited availability of spirometry testing, but in adults at risk for COPD, a normal pre-bronchodilator (pre-BD) peak expiratory flow (PEF) may rule out clinically significant COPD. Can a peak flow meter detect COPD?