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Definition
By Mayo Clinic staffIf you have asthma, your doctor may recommend that you use a peak flow meter to help track your asthma control. A peak flow meter is a simple, easy-to-use device that measures how well your lungs are working.
Along with watching for worsening signs and symptoms, such as wheezing or coughing, you can use a peak flow meter to help you decide when you need to take action to keep your asthma under control. Regular use of your peak flow meter can give you time to adjust your medication or take other steps before your symptoms get worse. A peak flow meter can be a useful tool both in adults and in children as young as preschool age.
- Measuring your peak flow rate. American Lung Association. http://www.lungusa.org/lung-disease/asthma/living-with-asthma/take-control-of-your-asthma/measuring-your-peak-flow-rate.html. Accessed Dec. 17, 2009.
- Expert panel report 3 (EPR-3): Guidelines for the diagnosis and management of asthma. Bethesda, Md.: National Institutes of Health. http://www.nhlbi.nih.gov/guidelines/asthma/06_sec3_comp3.pdf. Accessed Dec. 8, 2009.
- Tips to remember: Peak flow meter. American Academy of Allergy Asthma & Immunology. http://www.aaaai.org/patients/publicedmat/tips/whatispeakflowmeter.stm. Accessed Dec 8, 2009.
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