Descriptors Found: 1
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 1 / 1 DeCS     
Descriptor English:   Paralysis, Hyperkalemic Periodic 
Descriptor Spanish:   Parálisis Periódica Hiperpotasémica 
Descriptor Portuguese:   Paralisia Periódica Hiperpotassêmica 
Synonyms English:   Adynamia Episodica Hereditaria
Adynamia Episodica Hereditaria with or without Myotonia
Disease, Gamstorp
Familial Hyperkalemic Periodic Paralysis
Gamstorp Disease
Gamstorp Episodic Adynamy
Hyperkalemic Periodic Paralysis
Hyperkalemic Periodic Paralysis Type 2
Hyperkalemic Periodic Paralysis, Familial
Hyperkaliemic Periodic Paralysis Type 2
Myotonic Periodic Paralysis
Paralysis, Periodic, Hyperkalemic, Familial
Primary Hyperkalemic Periodic Paralysis
Sodium Channel Muscle Disease  
Tree Number:   C05.651.701.600
Definition English:   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) 
See Related English:   Hyperkalemia
NAV1.4 Voltage-Gated Sodium Channel
History Note English:   2000 
Allowable Qualifiers English:  
BL blood CF cerebrospinal fluid
CI chemically induced CL classification
CO complications CN congenital
DI diagnosis DG diagnostic imaging
DH diet therapy DT drug therapy
EC economics EM embryology
EN enzymology EP epidemiology
EH ethnology ET etiology
GE genetics HI history
IM immunology ME metabolism
MI microbiology MO mortality
NU nursing PS parasitology
PA pathology PP physiopathology
PC prevention & control PX psychology
RT radiotherapy RH rehabilitation
SU surgery TH therapy
UR urine VE veterinary
VI virology  
Record Number:   34198 
Unique Identifier:   D020513 

Occurrence in VHL: