Byung-Nam Yoon, Suk-Won Ahn, Jee-Eun Kim, Jin Myoung Seok, Kwang-Kuk Kim, Ki-Han Kwon, Kee Duk Park, Bum Chun Suh, Young Min Lim, on behalf of the Korean Society of Clinical Neurophysiology Education Committee
Ann Clin Neurophysiol 2018;20(2):66-70. Published online July 31, 2018
Electrodiagnostic studies such as nerve conduction studies (NCS) and needle electromyography (EMG) provide important and complementary information for evaluating patients with suspected neuromuscular disorders. NCS and needle EMG are reasonably safe diagnostic investigations and are generally associated with only mild transient discomfort when performed by experienced physicians. However, there is the risk of complications in some patients, because NCS involve the administration of electric current and EMG involves inserting a needle percutaneously into muscle tissue. This article reviews the potential risks of NCS and needle EMG.
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