The Estimated/Expected Peak Expiratory Flow (Peak Flow) quantifies asthma exacerbation severity. The Estimated/Expected Peak Expiratory Flow (Peak Flow) quantifies asthma exacerbation severity. Calc Function ; Calcs that help predict probability of a disease Diagnosis. The change in scale for peak flow meters will result in PEF readings that are different, depending on whether the individual has used a Wright scale meter, or the new EU scale meter. Sometimes, it is useful for health professionals to have a guide as to what peak flow could be expected from each individual, if they didn't have asthma.
A peak flow meter measures the rate at which air is exhaled. Normal readings of peak flow meters are dependent on a person's age, sex, and height. There are several factors which affect the readings, including smoking, asthma, and other lung conditions. A peak flow meter is a portable, inexpensive, hand-held device used to measure how air flows from your lungs in one "fast blast." In other words, the meter measures your ability to push air out of your lungs. Peak flow meters come in two ranges to measure the air pushed out of your lungs. A low.
Amazon's Choice for adult peak flow meter. Quest AsthmaMD Lung Performance Peak Flow Meter Measures Lung Performance for Athletes, asthmatics, Breathing Lung Exerciser. Breath Measurement System. Includes Downloadable Free Tracking App. out of 5 stars $ $ Guide to Asthma Appendix 2: Tables of normal peak flow values* * Note that the values shown are the average normal values for healthy persons of a given age and height. There will always be a range of normal values; not everyone can be expected to have exactly the same value. Men can have peak flow values as low as liters/minute less.