Electromyography in Anaesthesia. A Comparison Between Two Methods

Overview

Journal Anaesthesia

Specialty Anesthesiology

Date 1984 Jun 1

PMID 6331218

Citations 4

Authors

N D Pugh

B Kay

T E Healy

Affiliations

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Abstract

Two instruments measuring evoked compound muscle action potentials (EMG) produced by train of four stimulation of the ulnar nerve were compared. The neuromuscular transmission section of a Datex Anaesthesia and Brain Monitor (ABM), which utilises an integration technique to measure the EMG, and the Medelec MS6 , by which amplitude of the EMG was recorded and measured were attached to the same electrodes placed over adductor pollicis. Eight patients scheduled for surgery requiring non-depolarising neuromuscular blockade were studied. The changes in neuromuscular transmission measured by the two methods correlated well, with no statistically significant difference in results. The ABM provides a simple and accurate automatic measurement of evoked EMG for use in the study of neuromuscular transmission.

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