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Article
March 30, 1957

ELECTROMYOGRAPHY AND ELECTRIC STIMULATION OF NERVES IN DISEASES OF MOTOR UNITOBSERVATIONS ON MYASTHENIC SYNDROME ASSOCIATED WITH MALIGNANT TUMORS

JAMA. 1957;163(13):1117-1124. doi:10.1001/jama.1957.02970480021005
Abstract

† Tracings of electric potentials in voluntary muscle can be obtained by inserting needle electrodes. Electromyography and related neurophysiological techniques are being used with increasing frequency and effectiveness in the diagnosis and study of diseases of the motor unit (neuromuscular diseases). The value of these newer techniques is assessed in general and illustrated by specific examples. Cases are included to indicate how electromyographic data can be used in the diagnosis of carpal tunnel syndrome. Also, cases of a new myasthenic syndrome associated with intrathoracic neoplasms are described to show the use of electromyography and nerve stimulation in distinguishing the syndrome from myasthenia gravis.

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