Not exactly: That is just one of several ways to test for it.
Answered 9/11/2013
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PFM: Use to measure severity of asthma attack/ reactive airway disease/obstructive airway disease. Do not help in restrictive lung disease and conditions like interstitial lung disease.
Answered 9/29/2016
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YES: The peak expiratory flow rate (pefr, also known as a peak flow) is the maximal rate that a person can exhale during a short maximal expiratory effort after a full inspiration. In patients with asthma, the pefr percent predicted correlates reasonably well with the percent predicted value for the forced expiratory volume in one second (fev1). Monitoring the pefr is useful for detecting changes or.
Answered 3/30/2014
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