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Canadian Journal of Anesthesia, Vol 6, 227-237, Copyright © 1959 by Canadian Anesthesiologists' Society

The Practical Value of the Electroencephalogram during Anaesthesia

E. A GAIN M.D.1

1 Department of Anaesthesia, University of Alberta Hospital and Faculty of Medicine, University of Alberta, Edmonton, Alta

Because of the inadequacy of the conventional signs of anaesthesia during anaesthesia with today's techniques and agents, it is suggested that the electroencephalogram is a useful guide in protecting the poor risk patient, particularly the cardiac patient, against overdose. This is especially so during the induction phase because of the "lag-phenomenon." Several examples of the value of the electroencephalogram during anaesthesia and extracorporeal circulation, and as a prognostic aid following cerebral hypoxia have been presented. It is also suggested that the electroencephalogram is a valuable teaching aid and that it is useful as a measure of the efficiency of cardiac massage during the treatment of cardiac arrest.






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Copyright © 1959 by the Canadian Anesthesiologists' Society.