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DeCS
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Descriptor English:
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Paralysis, Hyperkalemic Periodic
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Descriptor Spanish:
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Parálisis Periódica Hiperpotasémica
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Descriptor Portuguese:
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Paralisia Periódica Hiperpotassêmica
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Synonyms English:
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Hyperkalemic Periodic Paralysis
Myotonic Periodic Paralysis
Paralysis, Periodic, Hyperkalemic, Familial
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Tree Number:
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C05.651.701.600
C10.668.491.650.600
C16.320.565.618.711.600
C18.452.648.618.711.600
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Definition English:
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An autosomal dominant familial disorder which presents in infancy or childhood and is characterized by episodes of weakness associated with hyperkalemia. During attacks, muscles of the lower extremities are initially affected, followed by the lower trunk and arms. Episodes last from 15-60 minutes and typically occur after a period of rest following exercise. A defect in skeletal muscle sodium channels has been identified as the cause of this condition. Normokalemic periodic paralysis is a closely related disorder marked by a lack of alterations in potassium levels during attacks of weakness. (Adams et al., Principles of Neurology, 6th ed, p1481) |
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See Related English:
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Hyperkalemia
NAV1.4 Voltage-Gated Sodium Channel
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History Note English:
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2000
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Allowable Qualifiers English:
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Record Number:
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34198
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Unique Identifier:
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D020513
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Occurrence in VHL:
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Similar:
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DeCS CID-10 SciELO LILACS LIS
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