peak expiratory flow


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Related to peak expiratory flow: forced vital capacity

peak ex·pi·ra·to·ry flow

the maximum flow at the outset of forced expiration, which is reduced in proportion to the severity of airway obstruction, as in asthma.

peak expiratory flow

the greatest rate of airflow that can be achieved during forced expiration, beginning with the lungs fully inflated. Also called peak expiratory flow rate.

peak ex·pi·ra·to·ry flow

(PEF) (pēk ek-spīră-tōr-ē flō)
Maximum flow at the outset of forced expiration, which is reduced in proportion to the severity of airway obstruction, as in asthma.

peak ex·pi·ra·to·ry flow

(pēk ek-spīră-tōr-ē flō)
Maximum flow at outset of forced expiration, which is reduced in proportion to severity of airway obstruction, as in asthma.
References in periodicals archive ?
Table-1: Peak Expiratory Flow Rate (PEFR) Occupation PEFR (L/min) Security Guards in Official Buildings 443.
Symptom monitoring in childhood asthma: a randomized clinical trial comparing peak expiratory flow rate with symptom monitoring.
13) Peak Expiratory Flow Rates (PEFRs) were measured in 424 healthy subjects (213 males and 211 females) from Karachi and Rawalpindi regions of Pakistan.
These show that hand grip strength was positively correlated with BMI upper arm length mean arm circumference and peak expiratory flow rate and all these were statistically significant.
Asthma control test and peak expiratory flow rate: independent pediatric asthma management tools.
Their peak expiratory flow ranges between 40% and 69% of personal best.
Lung function assessment included forced vital capacity (FVC), forced expiratory volume and peak expiratory flow (PEF).
2006) Changes in peak expiratory flow and respiratory strength during menstrual cycle.
One of the limitations of our study was that peak expiratory flow, one of the main predictors of bronchial obstruction, was not analysed.
Poorly controlled asthma was defined as two or more occasions of a 30% or greater decline in peak expiratory flow from baseline, the need for oral prednisone, the requirement for acute intervention such as an emergency department visit, or the need for more than four puffs of rescue medication.
Peak expiratory flow rates (PEFR) have improved 25 to 70% after OMT use.
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.