Descriptor for episodic limb weakness.
- Specialty
- Neurology
- Subspecialty
- Neurology / Neuromuscular
- Sex & age distribution
- Male: affected, more severe; Female: affected, milder; Children: yes
- Gene(s) involved
- ATP1A2, ATP1A3, CACNA1A, CACNA1S, KCNE3, KCNJ18, KCNJ2, RYR1, SCN4A
- Alternative names & eponyms
- Episodic weakness
- Note
- Non-specific descriptor
Etiology & mechanism
Periodic paralysis, myasthenia, TIA.
Gene(s) involved (9)
Symptoms & signs (1)
In plain terms, someone with Episodic weakness syndrome may experience the following — click any to explore related syndromes:
Same gene(s)
Other syndromes that involve one of this syndrome's genes.
Overlapping symptoms
Other syndromes that share symptoms with this one.
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Shares symptoms with
Shares genes with
2 shared
Long QT syndrome
KCNE3, KCNJ2
2 shared
Thunderclap headache syndrome
ATP1A2, CACNA1A
1 shared
Andersen–Tawil syndrome
KCNJ2
1 shared
Brugada syndrome
KCNE3
1 shared
Congenital myasthenic syndrome, acetylcholine receptor deficiency
SCN4A
1 shared
Lambert–Eaton myasthenic syndrome
CACNA1A
1 shared
Pseudoexfoliation syndrome
CACNA1A
1 shared
Short QT syndrome
KCNJ2
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