peak expiratory flow rate…

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what the risks are lungs, spirometry, match test, peak flow, peak expiratory flow rate measures how fast a person, exhale air, one of many tests that measure the function, the airways, commonly, diseases asthma, chronic obstructive pulmonary disease, copd, of emphysema, chronic bronchitis, in these lung diseases, air flow, exhalation is decreased by narrowing, blockage, the airways, severity of asthma, copd, change, peak expiratory flow monitoring is used by many patients to monitor lung function at home, allows them to anticipate, breathing, become worse, to take appropriate medications, call health care providers, become too severe, this test, a peak expiratory flow monitor, a small hand-held device, a mouthpiece at one end, a scale, a moveable indicator, a small plastic arrow, breathe in, deeply, blow, instrument's mouthpiece, fast, this 3 times, record the highest flow rate, loosen any tight clothing that might restrict breathing, sit up straight, stand performing the tests, there, no discomfort, repeated efforts, lightheadedness, home testing useful in monitoring the progress of a disease asthma, emphysema, chronic bronchitis, assess the effectiveness of various treatments, detect the worsening, normal values vary considerably according to a person's age, sex, peak flow measurements, most useful, a person is able to compare the peak flow obtained on a day-to-day basis, a fall in peak flow, accompanied by symptoms increased cough, shortness of breath, wheezing, signal the onset of a flare of lung disease, requiring early treatment, prevent complications, note that peak flow is decreasing, should advise healthcare provider, take any steps you, provider have previously discussed, no significant risks, peak expiratory flow rate measurements, the spirometry measurements performed, health care provider's office, small changes in peak flow, not mean significant changes in lung function.