A peak flow meter is a handheld device that measures airflow rate and can help those with respiratory conditions like asthma ...

A peak flow meter is used to measure your peak expiratory flow rate (PEFR). PEFR describes how quickly your lungs expel air during a forceful exhalation after you fully inhale. Regularly conducting a ...

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 ...

The peak flow meter measures the fastest speed at which you can blow air out of your lungs. During an asthma episode the windpipes begin to narrow slowly. This change can be measured with a peak flow ...