© 2004 BMJ Publishing Group Ltd & British Thoracic Society
EDITORIAL
PEF monitoring
Peak expiratory flow (PEF) monitoring
Correspondence to:
Correspondence to:
Professor R Ruffin
Department of Medicine, TQEH Campus, University of Adelaide, Woodville 5011, South Australia; richard.ruffin@adelaide.edu.au
The role of PEF monitoring in the diagnosis and monitoring of asthma
Keywords: peak expiratory flow; asthma
| The first 150 words of the full text of this article appear below. |
The Wright peak expiratory flow meter was introduced in 19591 and provided a portable piece of equipment for assessing some aspects of lung function in the ambulatory care setting. The original device has been supplanted by the mini Wright peak flow meter (and a range of other devices) which have become relatively cheap but are reasonably reliable for home monitoring.2
So, with an available device for measuring peak expiratory flow (PEF), what is its role in the 21st century? PEF reflects a range of physiological characteristics of the lungs, airways, and neuromuscular characteristics of individuals. These include lung elastic recoil, large airway calibre, lung volume, effort, and neuromuscular integrity.3 The reflection of airway calibre makes the PEF meter suitable for measuring variation in PEF over time to provide support for:
- confirmation of the diagnosis of asthma;
- diagnosis of occupational asthma;
- monitoring variation in PEF over time;
- identification of
. . . [Full text of this article]
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