Skip to Content
© Healthwise, Incorporated
A peak flow meter is an inexpensive, pocket-size device that
measures peak expiratory flow (PEF), or how much air a person can breathe out. To
measure PEF, the person takes a deep breath and then blows into a tube on the
peak flow meter as hard and as fast as possible. This can be done at
Peak flow meters come in many shapes and sizes.
ByHealthwise StaffPrimary Medical ReviewerJohn Pope, MD - PediatricsSpecialist Medical ReviewerLora J. Stewart, MD - Allergy and Immunology
Current as ofAugust 21, 2015
Current as of:
August 21, 2015
John Pope, MD - Pediatrics & Lora J. Stewart, MD - Allergy and Immunology
To learn more about Healthwise, visit Healthwise.org.
© 1995-2015 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
© Copyright 2016 Rush-Copley Medical Center • 2000 Ogden Avenue; Aurora, IL 60504
Main: 630-978-6200 • Physician Referral & Information: 630-978-6700 or 866-4COPLEY (866-426-7539)