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 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 ?
Peak expiratory flow rate: Peak expiratory flow rate (PEFR) is a person's maximum speed of expiration, as measured with a peak flow meter, a small, hand-held device used to monitor a person's ability to breathe out air.
Minawi, "Comparison of peak expiratory flow rates applying European and Iranian equations to Palestinian students," Eastern Mediterranean Health Journal, vol.
Peak expiratory flow rate was measured in a standing position by using Wright's Peak Flow Meter (MicroPeak Cardinal Health UK).
Evaluation of asthma control using patient based measures and peak expiratory flow rate.
of Group cases Before yoga After yoga Total 50 33.23 [+ or -] 10.48 38.59 [+ or -] 11.23 Males 24 37.18 [+ or -] 12.09 41.83 [+ or -] 12.49 Females 26 29.57 [+ or -] 7.19 35.60 [+ or -] 9.19 Age <40 yrs 29 36.28 [+ or -] 9.89 42.53 [+ or -] 10.17 Age >40 yrs 21 29.65 [+ or -] 10.19 33.96 [+ or -] 10.82 BMI <25 25 32.76 [+ or -] 10.98 38.29 [+ or -] 12.32 BMI >25 25 33.69 [+ or -] 10.15 38.89 [+ or -] 10.28 Group t value P value Total 8.740 <0.001 Males 4.662 <0.001 Females 8.205 <0.001 Age <40 yrs 13.395 <0.001 Age >40 yrs 3.852 <0.001 BMI <25 7.540 <0.001 BMI >25 5.206 <0.001 Table 3: Effect of yoga on Peak Expiratory Flow Rate (liters/min) No.
Their peak expiratory flow ranges between 40% and 69% of personal best.
Savian C, Chan P, Paratz J (2005) The effect of positive end-expiratory pressure level on peak expiratory flow during manual hyperinflation.
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.
For example, adults with mild persistent asthma (defined as self-treatment with beta-agonist more than 2 days per week, nighttime awakenings related to asthma more than 2 days per month, or variability in the peak expiratory flow of 20% to 30%) should be taking chronic anti-inflammatory medications based on current National Heart, Lung, and Blood Institute guidelines.
Subjects were instructed to record their peak expiratory flow with an Assess Peak Flow Meter each evening.