A peak flow meter is a device that measures how well your lungs expel air. The device is a valuable tool for people with a respiratory condition like asthma or COPD, because it helps track the ...

As part of your daily asthma self-management plan, your doctor may recommend that you use a hand-held device called a peak flow meter at home to monitor how well your lungs are working. How to use a ...

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 ...