Definition of peak flow meter
: a device that measures the maximum rate of air flow out of the lungs during forced expiration and that is used especially for monitoring lung capacity of asthmatics
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First Known Use of peak flow meter
1962
Medical Dictionary
noun
\
ˌpēk-ˈflō-
\
medical Definition of peak flow meter
: a device that measures the maximum rate of air flow out of the lungs during forced expiration and that is used especially for monitoring lung capacity of individuals with asthma (as to indicate bronchial narrowing) — called also
peak expiratory flow meter
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