Cardiac manifestation of normokalemic periodic paralysis in 21 years old male in Kermanshah

authors:

avatar Alireza Ray 1 , avatar Shirin Rashidi Shahpasandi 1 , * , avatar Parastou Shirvani 2

Dept. of Cardiology, School of Medicine, Kermanshah University of Medical Sciences , kermanshah, Iran
Emam Ali Hospital, Kermanshah University of Medical Sciences , kermanshah, Iran

how to cite: Ray A, Shahpasandi S R, Shirvani P. Cardiac manifestation of normokalemic periodic paralysis in 21 years old male in Kermanshah. J Kermanshah Univ Med Sci. 2010;13(4):e79590. 

Abstract

Background: Normokalemic periodic paralysis is an autosomal dominant disorder involving the abnormal function of skeletal muscle’s voltage-gated alpha-subunits. It is characterized by paralysis attack of varying severity with concomitant normal serum potassium concentration. Although normokalemic periodic paralysis is well established in the literature, but its cardiac manifestations are very rare.
Case Report: We present 21 years old age male, which referred to Imam Ali Hospital with severe palpitation, atypical angina and flaccid quadric paralysis.
Electrocardiographic manifestation was first-degree AV block, Bijeminated ventricular extrasystole and severe ST-T change in pericordial leads. Initial potassium level was 4 meq/l, CPK and aldolase level were normal. Echocardiography and exercise test were normal.
Conclusion: After four days administration of acetazolamide, his weakness was disappeared and ECG became normal. He discharged from hospital with normal neurological examination and effective treatment outcome.

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