Medically reviewed by Daniel More, MD 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 ...

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 ...

OMRON light Personal Peak Flow Meter is used for accurate monitoring ... PEF measurements are part of asthma-management programs.

Discover essential tips for managing asthma in children and effectively handling emergencies to keep them safe and healthy.