Articles

Alex Stenzler While spirometry has been used to evaluate lung function for more than 200 years, the use of flow volume loops for evaluating the forced vital capacity was only first introduced by Hyatt, Schilder and Fry in 1958.1,2,3 During a forced exhalation, as the pressure in the lung increases, the pleural pressure forces pushing […]

James Martins, MSc (c), BSc, Bevin McMullin, PhD, MappSc, RRT, Chris Miller, PhD, BA, RRT Patients performing lung function tests at home have expressed concerns as to whether they need to use pulmonary function filters on their spirometers. Considering the cost of filters, it could be a barrier to performing frequent measurements. We explored the […]