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 ...

When it comes to asthma monitoring, the eye is the key; according to Associate Professor Helen Reddel, who has spent years researching and refining a new peak expiratory flow chart.

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 ...