Peak expiratory flow measurement | definition of peak expiratory flow measurement by Medical dictionary
peak expiratory flow measurement
peak expiratory flow measurement A test widely used to determine the presence, and assess the degree, of any kind of obstruction to the air passages. The method is especially valuable in the assessment of ASTHMA and chronic BRONCHITIS and of the response to treatment. The instrument used is called a peak flow meter and this measures the maximum flow rate of air on the strongest possible forced expiration through a wide nozzle. See also FORCED EXPIRATORY VOLUME.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
References in periodicals archive
Diagnosis and Assessment of Severity: In our study it was found that lung function test and peak expiratory flow measurement
(PEFR) was done only in 24% and 33% patients respectively.
"For pulmonary function assessment of patients during outpatient visits, spirometry is preferable, but peak expiratory flow measurement
with a peak flow meter also is sufficient," they said.
Serial peak expiratory flow measurement
in the diagnosis of occupational asthma.
Peak expiratory flow measurement
. In analyzing lung function, the vital capacity (VC) is the most important volume measure to assess the child's effort and the presence of a restrictive component to the disease.