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Maximal Midexpiratory Flow Rate MeSH Descriptor Data 2026


MeSH Heading
Maximal Midexpiratory Flow Rate
Tree Number(s)
E01.370.386.700.660.225.510
G09.772.650.300.670
Unique ID
D008450
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D008450
Annotation
usually NIM; do not confuse with MAXIMAL EXPIRATORY FLOW RATE; (MEFR)
Scope Note
Measurement of rate of airflow over the middle half of a FORCED VITAL CAPACITY determination (from the 25 percent level to the 75 percent level). Common abbreviations are MMFR and FEF 25%-75%.
Entry Term(s)
FEF 25-75 Percent
Flow Rate, Maximal Midexpiratory
Forced Expiratory Flow 025-075 Percent
MMFR
Public MeSH Note
91; was see under FORCED EXPIRATORY FLOW RATES 1975-90
History Note
91(75); was see under FORCED EXPIRATORY FLOW RATES 1975-90
Date Introduced
1991/01/01
Last Updated
2008/07/08
Maximal Midexpiratory Flow Rate Preferred
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