A peak expiratory flow rate (PEFR) measures how effectively you exhale. Also called a peak flow meter, this handheld device helps you document the amount of air and the speed at which you can ...

Please provide your email address to receive an email when new articles are posted on . Patients may have difficulty completing bronchodilator response testing. Patients with severe asthma may still ...

Share on Pinterest Experts say it can be difficult for parents to monitor asthma in young children. Westend61/Getty Images Asthma is common in young children. Diagnosing asthma exacerbations in those ...