Author
   Adler A. Berthiaume Y. Guardo R. Amyot R.
Institution
   Inst. de Genie Biomed., Ecole Polytech., Montreal, Que., Canada.
Title
   Imaging of pulmonary edema with electrical impedance tomography.
Source
   1995 IEEE Engineering in Medicine and Biology 17th Annual Conference and
   21 Canadian Medical and Biological Engineering Conference (Cat.
   No.95CH35746). IEEE. Part vol.1, 1997, pp.557-8 vol.1. New York, NY, USA.
Conference Information
   Proceedings of 17th International Conference of the Engineering in
   Medicine and Biology Society. Montreal, Que., Canada. 20-23 Sept. 1995.
Abstract
   Electrical impedance tomography (EIT) uses electrical measurements at
   electrodes placed on the thorax to image changes in the conductivity
   distribution within the thorax. This technique should be of interest in
   studying pulmonary edema as the clinical phenomena of interest induce
   large conductivity changes. The authors have conducted a series of
   experiments on dogs to quantify the capacity of EIT to measure lung tidal
   volume and fluid content. Results indicate good correlation of the
   quantities measured by EIT with standard reference techniques. Certain
   difficulties with the long term stability of electrodes and measurement
   electronics were noted as design criteria for future EIT systems.