Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/133599
Title: Thyrotoxic myopathy. A clinical and quantitative analytic electromyographic study
Authors: Puvanendran, K.
Cheah, J.S. 
Naganathan, N.
Wong, P.K.
Issue Date: 1979
Source: Puvanendran, K., Cheah, J.S., Naganathan, N., Wong, P.K. (1979). Thyrotoxic myopathy. A clinical and quantitative analytic electromyographic study. Journal of Neurosurgical Sciences 42 (3) : 441-451. ScholarBank@NUS Repository.
Abstract: The clinical entity of chronic thyrotoxic myopathy was considered rare by Waldenstrom in 1945. Forty eight consecutive patients with thyrotoxicosis were studied clinically and by electromyography for muscle involvement. Quantitative electromyographic techniques were used to analyse both the electromyographic activity of the muscle at a standard tension and also the single motor potential obtained in isolation at minimal effort. The interference pattern was described in simple numerical terms such as the number of potential change(s) and the mean amplitude. All cases that were thyrotoxic (both clinically and on thyroid function tests) showed the changes of myopathy on electromyography, though only 68% of the cases showed clinical myopathy consisting of muscle weakness and/or atrophy.
Source Title: Journal of Neurosurgical Sciences
URI: http://scholarbank.nus.edu.sg/handle/10635/133599
ISSN: 00264881
Appears in Collections:Staff Publications

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