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 management by helping users track their lung function ...

Peak Flow: The maximum flow of a stream in response to a rainstorm event. Base Flow: The portion of streamflow contributed by groundwater. As can be seen in the diagram below, peak flow changes ...

Dec. 8 -- (HealthDay News) -- Measuring peak flow is important for asthmatics, as it monitors how well you can blow air from your lungs and may even help predict a pending asthma attack. Peak flow is ...