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Journal of the Korean Academy of Rehabilitation Medicine 1981;5(1):4.
Electromyographic Finding in Periodic Paralysis -Case reports-
Yong Pal Ahn, M.D., Sae Yoon Kang, M.D., Kyoung Hee Park, M.D., , Chang Sir Park, M.D.
Department of Rehabilitation Medicine, Catholic Medicial College
Periodic Paralysis의 근전도소견 -증례 보고-
안용팔, 강세윤, 박경희, 박창서
가톨릭의대 재활의학과
Abstract

Periodic Paralysis is a rare disease defined as recurrent episodes of flaccid paralysis which may occur in inherited or in sporadic forms.

According to the plasma K+ level during attack, periodic paralysis can be classified as Hypokalemic, Hyperkalemic and Normokalemic type.

Weakness or paralysis are caused by conduction block in neuromuscular junction and along the muscle membrane.

3 cases of Hypokalemic periodic paralysis and 1 case of probable Hyperkalemic periodic paralysis are presented with blood chemistry, urinalysis, EKG, muscle biopsy and with EMG findings during attacks compared with normal status.

Key Words: Periodic paralysis, Electromyography, Hypokalemia, Hyperkalemia


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