Peak flow is how much air you breathe out when you try your hardest. You
measure peak flow with a peak flow meter, an inexpensive device that you can
use at home.
It's good to know
how well your lungs are working. One way to do this is by checking your peak
flow with a peak flow meter. Your peak flow can tell you if your asthma is
staying the same, getting better, or getting worse.
peak flow helps you control your asthma. Then asthma will not control
Before you start,
remove any gum or food you may have in your mouth.
If you cough or make a mistake during the testing, do the
action plan is based on zones of asthma severity. Your peak flow can help you
find out what zone you are in. You do this by comparing your current peak flow
to your personal best peak flow.
Your personal best is your
highest peak flow recorded over a 2- to 3-week period when your asthma is under
Each meter is a little different. If you change meters, you
will need to find your asthma zones using the new meter.
Follow-up care is a key part of your treatment and safety. Be
sure to make and go to all appointments, and call your doctor or nurse call line if you are having
problems. It's also a good idea to know your test results and keep a list of
the medicines you take.
Go to https://www.healthwise.net/patientEd
Enter R965 in the search box to learn more about "Learning About Peak Flow Meters for Teens."
Current as of:
October 19, 2016
Adam Husney, MD - Family Medicine
& Elizabeth T. Russo, MD - Internal Medicine
© 2006-2017 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
Care instructions adapted under license by your healthcare professional. If you have questions about a medical condition or this instruction, always ask your healthcare professional. Healthwise, Incorporated disclaims any warranty or liability for your use of this information.