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The measurement of peak expiratory flow was pioneered by Martin Wright, who produced the first meter specifically designed to measure this index of lung function. Since the original design of instrument was introduced in the late 1950s, and the subsequent development of a more portable, lower cost version (the "Mini-Wright" peak flow meter ...
MMEF or MEF stands for maximal (mid-)expiratory flow and is the peak of expiratory flow as taken from the flow-volume curve and measured in liters per second. It should theoretically be identical to peak expiratory flow (PEF), which is, however, generally measured by a peak flow meter and given in liters per minute. [16]
1959 Wright B. M. and McKerrow C. B. introduced the peak flow meter 1969 DuBois A. B. and van de Woestijne K. P. experimented on humans using the whole body plethysmograph 1974 Campbell et al. refined the previous peak flow meter, developing a cheaper and lighter version [ 2 ]
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Using a small amount of inhaled or injected radioactive material called a tracer for visualization, a V/Q scan is a type of nuclear medical imaging that allows for localization and characterization of blood flow (perfusion scan) and measurement of airflow (ventilation scan) within the lungs. [2]
Basil Martin Wright (20 December 1912 – 4 March 2001) was a British bioengineer who invented several notable medical instruments, including the peak flow meter and syringe driver. The "alcolmeter" he developed won a Queen's Award for Industry and is the breathalyser most often used at the road-side in the United Kingdom.
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