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Ann Clin Neurophysiol > Volume 10(2); 2008 > Article
Ann Clin Neurophysiol. 2008; 10(2): 119-122.
Throtoxic Periodic Paralysis without Hypokalemia
Hyeyun Kim, Sung-Min Kim, Jong-Ho Park, and Joong-Yang Cho
Copyright © 2008 The Korean Society of Clinical Neurophysiology
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Thyrotoxic periodic paralysis (PP) is the most common acquired form of PP in Asian populations, and its cardinaland biochemical abnormality is hypokalemia. We describe a 39-year-old man who had acute bilateral limb motorweakness and paresthesia, and showed normokalemia during attack. Thyroid studies showed subclinical thyrotoxic Goiter.Control of the hyperthyroidism nearly eliminated his PP. Regardless of normokalemia, our patient might be a case ofhypokalemic PP because of improvement from anti-thyroid medication.
Key words: Periodic paralysis, normokalemia, hyperthyroidism
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