Dr. Cori Daines answers the question: 'Should My Child Have A Peak Flow Meter?' — -- Question: Should my child have a peak flow meter? Answer: Peak flow meters are generally not very useful in ...

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 ...

Anyone with asthma should be prepared for an emergency. Even if you've kept your asthma under control for years, it could still get worse without you realizing it. Knowing the symptoms of an asthma ...