An icon in the shape of a lightning bolt. Impact Link 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 ...

Peak flow meters are portable devices that are easy to use at home, in school, or on the go. They’re used to measure a person’s ability to exhale air forcefully out of their lungs. If you have a ...

Peak Flow Meter for Asthma: Everything You Need to Know: By Anjali Srivastava A peak flow meter is a handy, portable device that measures how fast air leaves the lungs. It plays a vital role in asthma ...

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 ...