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 ...

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 ...

DUBLIN--(BUSINESS WIRE)--The "Peak Flow Meters (Anesthesia and Respiratory Devices) - Global Market Analysis and Forecast Model (COVID-19 market impact)" report has been added to ...