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Peak flow is how fast your child breathes out air after taking a deep breath. Your child's peak flow tells you and your child's doctor how well your child's lungs are working. You need to know your child's personal best peak flow number to help control your child's asthma.
The Estimated/Expected Peak Expiratory Flow (Peak Flow) quantifies asthma exacerbation severity.
Your child's number can be determined from predicted normal peak flow values for people of the same age and height. See the chart at the end of this sheet for average peak flows for healthy children and teenagers.
calculate their peak flow zones. There are three peak flow zones, which are set up like a traffic light: Go Zone, Caution Zone, and Danger Zone. A chart will be created to indicate your child’s peak flow numbers in each zone. Your child’s target zones can also be added to your Asthma Action Plan. This will help you know what to do when your ...
Your asthma action plan will tell you what to do when you notice symptoms, or if your peak flow drops below a certain score. If you have any questions about peak flow, how to use your peak flow meter, or how to fill in your diary, you can call our Helpline nurses on 0300 222 5800.
A peak flow meter is a tool to measure how fast air moves out of your lungs. When used correctly, a peak flow meter can tell you how well your lungs are working to push air out. The peak flow number and your symptoms are used as a guide to help you manage your asthma. Why is it necessary?
How to use a peak flow meter. Peak flow can be useful to help in diagnosing and monitoring asthma. It is a measure of how well your child can blow air out of their lungs.
