Benedict-Roth spirometer

Ben·e·dict-Roth spi·rom·e·ter

(bĕn'ĕ-dikt-rawth spī-rom'ĕ-tĕr)
Closed-circuit instrument used to determine oxygen consumption over time and to calculate basal metabolic rate. Each liter of oxygen consumed represents 4.825 calories.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
Other lung parameters like tidal volume ([V.sub.T] or T.V), Inspiratory reserve volume (I.R.V), Expiratory reserve volume (E.R.V), Vital capacity (V.C), Forced expiratory volume in first second ([FEV.sub.1]%) were recorded using the Benedict-Roth Spirometer.