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Time-pulse generator for flow-volume curves.
J Appl Physiol 1970 Feb; 29(1):109-110
A relatively simple, inexpensive time pulse generator for super imposing accurately timed pulses onto the flow-volume curve of a forced vital capacity (FVC) maneuver is described. The generator can be incorporated into a system that provides a fast, accurate method of obtaining flow-volume curves and the timed forced expiratory volumes in the field.
Respiratory-function-tests; Instrumentation; Field-tests; Airway-resistance; Epidemiology; Measurement-instrumentation; Spirometry
Issue of Publication
Journal of Applied Physiology
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division