peak flow meter

(redirected from Peak expiratory flow rate)
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peak flow meter

n.
A portable instrument that detects minute decreases in air flow, used by people with asthma to monitor small changes in breathing capacity.
References in periodicals archive ?
RESULTS: We found significant reduction in the peak expiratory flow rate after the children's exposure to particulate pollutants.
It has been hypothesised that a higher peak expiratory flow rate, tidal volume and airway pressure would be more efficient in secretion removal and reversing atelectasis in an intubated patient (Kim et al 1986, King et al 1992, Maxwell and Ellis 1998).
In the recent collaboration with the Koto Hospital in Tokyo, the company has confirmed that a long-time ingestion (at least 6 months) of tomato juice helps alleviate the subjective symptoms of BA while improving the peak expiratory flow rate, an index of BA.
Peak expiratory flow rate as predictor of inpatient mortality in patients with chronic obstructive pulmonary disease.
At 6 months, the groups of patients had roughly equivalent improvements in morning peak expiratory flow rate.
At 6 months, the two groups had roughly equivalent improvements in morning peak expiratory flow rate.
In the past, peak flow meters told patients "how they were doing" (by measuring peak expiratory flow rate (PEFR).