Hypokalemic periodic paralysis
Other Names for this Disease
- Westphall disease
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CACNA1S and SCN4A genes which are inherited in an autosomal dominant fashion. A small percentage of people with the characteristic features of hypokalemic periodic paralysis do not have identified mutations in these genes. In these cases, the cause of the condition is unknown. Paralytic crises can be treated with oral or IV potassium. Other management includes prevention of crises and support of specific symptoms.Hypokalemic periodic paralysis is a condition that causes episodes of extreme muscle weakness typically beginning in childhood or adolescence. Most often, these episodes involve a temporary inability to move muscles in the arms and legs. The duration and frequency of the episodes may vary. Hypokalemic periodic paralysis is caused by mutations in the
Last updated: 9/16/2009
- Hypokalemic periodic paralysis. Genetics Home Reference. April 2007; http://ghr.nlm.nih.gov/condition=hypokalemicperiodicparalysis. Accessed 4/20/2010.
- Sternberg D, Tabti N, Hainque B, Fontaine B. Hypokalemic periodic paralysis. GeneReviews. April 28, 2009; http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=gene&part=hpp. Accessed 4/20/2010.
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