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Forced Inspiratory Flow at 50%

Known as: FIF50 
The forced inspiratory flow rate at the point on the inspiratory flow-volume curve where 50 percent of the total volume of gas has been inhaled.
National Institutes of Health

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2 relations
CDISC SDTM Respiratory Test Name TerminologyClinical Data Interchange Standards Consortium Terminology

Papers overview

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2006
2006
Airway Resistance and Airflow Dynamics after Fat Injection into Vocal Folds
Objectives: The aim of this prospective study was to verify whether vocal fold fat augmentation (VFFA) modifies upper airway… 
2005
2005
Variability of Specific Airway Resistance in Patients with Laryngeal Hemiplegia
Objectives: This study was designed to analyze whether respiratory flows and specific airway resistance (sRaw) depend on the… 
2003
2003
Lung function tests in electroplaters of East Delhi.
The presence of high concentration of metals (Cr, Cd, Co, Ni, Pb, etc.) in the work place environments of various types of… 
2001
2001
[Objective evaluation of respiratory function of the larynx after partial laryngectomy of various range].
The aim of the study was to identify factors and their effect on the respiratory efficiency of the larynx after partial… 
1999
1999
Characteristics of nasal airflow and the effect of a nasal dilator in normal human subjects.
1999
1999
Inspiratory flow-volume curve in snoring patients with and without obstructive sleep apnea.
We analyzed the flow-volume curves of 50 patients with complaints of snoring and daytime sleepiness in treatment at the… 
1997
1997
Influence of inspiratory capacity on bronchodilatation via Turbuhaler or pressurized metered-dose inhaler in asthmatic children: a comparison.
1996
1996
Improvement of upper airway obstruction after 131I-treatment of multinodular nontoxic goiter evaluated by flow volume loop curves
Symptoms of tracheal-esophageal compression are often related to a large nontoxic goiter. The aim of the present study was to… 
1996
1996
Bronchodilatation and the inspiratory flow volume curve.
The inspiratory flow volume curve is included in the spirometric tracing provided by most pulmonary function laboratories and is… 
1990
1990
Effect of inhaled methacholine on inspiratory flow.
One hundred consecutive outpatients with symptoms suggestive of asthma who came to the Pulmonary Function Laboratory for a… 
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