myotonia
Sign in to saveMyotonia is a symptom of a small handful of certain neuromuscular disorders characterized by delayed relaxation (prolonged contraction) of the skeletal muscles after voluntary contraction or electrical stimulation, and the muscle shows an abnormal EMG.
Key facts
- Medical condition (new).name
- Myotonia
via Wikipedia infobox
Research
4,000 papers- [Myotonia].Deutsche medizinische Wochenschrift (1946) · 1976
- Drug treatment for myotonia.The Cochrane database of systematic reviews · 2025
- Myotonia.Neurologic clinics · 1988
- Myotonia--a different point of view.California medicine · 1971
- Myotonia fluctuans.Archives of neurology · 1990
via PubMed
Wikidata facts
- Instance of
- symptom
- Image
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- health specialty
- medical genetics
- exact match
- purl.obolibrary.org/obo/HP_0002486
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Encyclopedic overview
12 sectionsContents
- Causes
- Myotonic dystrophy
- Myotonia congenita
- Paramyotonia congenita
- Potassium-aggravated myotonia
- Hyperkalemic periodic paralysis
- Hypokalemic periodic paralysis
- Neuromyotonia
- Other
- See also
- References
- External links
Myotonia is a symptom of a small handful of certain neuromuscular disorders characterized by delayed relaxation (prolonged contraction) of the skeletal muscles after voluntary contraction or electrical stimulation, and the muscle shows an abnormal EMG.
Myotonia is the defining symptom of many channelopathies (diseases of ion channel transport) such as myotonia congenita, paramyotonia congenita and myotonic dystrophy.
Excerpted from Wikipedia’s “myotonia” article, available under the CC BY-SA 4.0 licence.