British Journal of Anaesthesia, 1981, Vol. 53, No. 12 1351-1357
© 1981 The Board of Management and Trustees of the British Journal of Anaesthesia
other |
ELECTROMYOGRAPHIC MONITORING OF NEUROMUSCULAR BLOCK
Department of Electrical Engineering, Monash University Clayton, Victoria, Australia, 3168
Department of Anaesthesia Royal Children's Hospital, Parkville, Victoria, Australia, 3052
Neuromuscular blocking agents are widely used in anaesthesia, and a simple quantitative method of monitoring their effects is desirable. This paper describes a new instrument which has been developed for electromyographic monitoring of neuromuscular block by a non-invasive technique which is both reliable and easy to use. The median nerve is stimulated at the wrist and the electromyogram (e. m. g.) from a thenar muscle is detected, rectified and integrated, electronically to produce a meter display of the assessment of block. The method is recommended for routine use.