Annals of Indian Academy of Neurology
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Year : 2004  |  Volume : 7  |  Issue : 2  |  Page : 375-380

Atypical Neurological Manifestations Of Hypokalemia



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A part from the well-established syndrome of motor paralysis, hypokalemia may present with atypical neurological manifestations, which are not well documented in literature. Methods: We treated 30 patients of hypokalemia whose neurological manifestations improved after corrections of hypokalemia. A retrospective chart review of the clinical profile was done with emphasis on the evolution of symptoms and occurrence of unusual manifestations. Results: Twenty-eight patients had subacute quadriparesis with duration of symptoms varying from 10hrs to 7 days and two had slowly progressive quadriparesis. Fifty percent of patients had more than one attack of paralysis. Early asymmetric weakness (11), stiffness and abnormal posture of hands (7), predominant bibrachial weakness (4), distal paresthesias (4), hemiparesthesia (1), hyperreflexia(4), early severe weakness of neck muscles (3), chorea (1), trismus (1),and, retention of urine (1) were the unusual features observed. The means level of serum potassium on admission was 2.1+0.6mEq/L.and the serum creatine kinase was elevated in 14 out of 17 patients. All patients except two had complete recovery.


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