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STUDY ON ELECTROPHYSIOLOGY OF PATIENTS WITH HYPERTHYOIDISM AND MYASTHENIA GRAVIS

Limei Zhao

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Abstract

Objective: To explore the electropysiological features of patients with hyperthyroidism and myasthenia gravis (MG), and the relationship between it and chronic thyrotxic myopathy (CTM). Methods: Nerve conduction velocity (NCV), repetitive nerve stimulation (RNS), electromyogram (EMG) and single fiber electromyogramy (SFEMG) of 7 patients with hyperthyroidism and myasthenia gravis were detected. Results: NCV of 7 cases were normal, RNS of 5 cases were abnormal, EMG of 2 cases has muscle disease, SFEMG of 7 cases had widening the jitter. Conclusion: The patients with hyperthyroidism has often MG, perhaps has CTM. The detection of RNS, EMG and SFEMG of patients with hyperthyroidism are necessary.

About this research paper

What this paper is about

Objective: To explore the electropysiological features of patients with hyperthyroidism and myasthenia gravis (MG), and the relationship between it and chronic thyrotxic myopathy (CTM). Methods: Nerve conduction velocity (NCV), repetitive nerve stimulation (RNS), electromyogram (EMG) and single fiber electromyogramy (SFEMG) of 7 patients with hyperthyroidism and myasthenia gravis were detected. Results: NCV of 7 cases were normal, RNS of 5 cases were abnormal, EMG of 2 cases has muscle disease, SFEMG of 7 cases had widening the jitter. Conclusion: The patients with hyperthyroidism has often MG, perhaps has CTM. The detection of RNS, EMG and SFEMG of patients with hyperthyroidism are necessary.

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Available abstract

Objective: To explore the electropysiological features of patients with hyperthyroidism and myasthenia gravis (MG), and the relationship between it and chronic thyrotxic myopathy (CTM). Methods: Nerve conduction velocity (NCV), repetitive nerve stimulation (RNS), electromyogram (EMG) and single fiber electromyogramy (SFEMG) of 7 patients with hyperthyroidism and myasthenia gravis were detected. Results: NCV of 7 cases were normal, RNS of 5 cases were abnormal, EMG of 2 cases has muscle disease, SFEMG of 7 cases had widening the jitter. Conclusion: The patients with hyperthyroidism has often MG, perhaps has CTM. The detection of RNS, EMG and SFEMG of patients with hyperthyroidism are necessary.

Key concepts: Myasthenia gravis, Medicine, Repetitive nerve stimulation, Electromyography, Myopathy, Nerve conduction velocity, Cardiology, Internal medicine

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