Peak flow meters are generally not very useful in controlling asthma. Most children can be controlled with symptoms alone. Children who are able to understand when they're having trouble breathing ...

A peak flow meter is an inexpensive, portable, handheld device for those with asthma that is used to measure how well air moves out of your lungs. Measuring your peak flow using this meter is an ...

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 ...

A peak flow meter is especially useful for people with moderate to severe asthma who require daily medication. ... Children aged six and above can usually use the device reliably with proper guidance.

A peak flow meter can be used by adults as well as children aged 5 or above. Other than asthmatic people, some people suffering from emphysema and chronic bronchitis may also benefit from using a ...

What To Expect. The PEFR meter is a handheld device you buy without a prescription. There are two types: a smaller or low-range meter for children and a larger or standard range for teenagers and ...

The Smart Peak Flow meter has 2 parts: the peak flow meter turbine and a plastic ... Loss of asthma control may also be assessed by symptoms, particularly in children. Peak flow readings play an ...

What a peak flow meter can tell you. 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 ...

Two dropped out, three had invalid peak expiratory flow (PEF) or breath VOC data, leaving 21. Children filled out symptom diaries and performed PEF maneuvers daily, November 1999–January 2000.