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Peak Expiratory Flow Rate

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Definition: Measurement of the maximum rate of airflow attained during a FORCED VITAL CAPACITY determination. Common abbreviations are PEFR and PFR.  usually NIM; do not confuse with MAXIMAL EXPIRATORY FLOW RATE; (MEFR)    Other names Expiratory Peak Flow Rate; Flow Rate, Peak Expiratory; PEFR

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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