The peak flow meter works by measuring how fast air comes out of the lungs when you exhale forcefully after inhaling fully. This measure is called a "peak expiratory flow," or "PEF." ...

Peak flow meters are inexpensive (the average price is around $15 to $20), handheld, and easy to use. You simply blow as hard as you can into the device and it will measure your air flow rate in ...

A peak flow meter plays a vital role in effective asthma management by measuring peak expiratory flow, the speed at which air leaves the lungs. Its benefits include:- Early detection of airway ...

The peak flow meter is a simple device for measuring how quickly you can blow air out of your lungs. It's a rough measure of the amount of narrowing of your airway and hence it can be used to ...