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A peak flow meter is an inexpensive, pocket-sized device that
measures peak expiratory flow (PEF), or how fast 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.
August 26, 2011
Adam Husney, MD, MD - Family Medicine & Sue Barton, PhD, PsyD - Behavioral Health
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