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Myoclonus MeSH Descriptor Data 2024


MeSH Heading
Myoclonus
Tree Number(s)
C10.597.350.500
C23.888.592.350.500
Unique ID
D009207
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D009207
Annotation
for "myoclonic seizure" consider MYOCLONUS or EPILEPSY, MYOCLONIC or SPASMS, INFANTILE; note other myoclonus terms are also available
Scope Note
Involuntary shock-like contractions, irregular in rhythm and amplitude, followed by relaxation, of a muscle or a group of muscles. This condition may be a feature of some CENTRAL NERVOUS SYSTEM DISEASES; (e.g., EPILEPSY, MYOCLONIC). Nocturnal myoclonus is the principal feature of the NOCTURNAL MYOCLONUS SYNDROME. (From Adams et al., Principles of Neurology, 6th ed, pp102-3).
Entry Term(s)
Myoclonic Jerk
Myoclonic Jerking
Myoclonus Simplex
Myoclonus, Action
Myoclonus, Eyelid
Myoclonus, Intention
Myoclonus, Lower Extremity
Myoclonus, Nocturnal
Myoclonus, Oculopalatal
Myoclonus, Palatal
Myoclonus, Segmental
Myoclonus, Sleep
Myoclonus, Upper Extremity
Polymyoclonus
NLM Classification #
WE 550
Public MeSH Note
1963; for MYOCLONIC JERKING see EPILEPSY, MYOCLONIC 1992-1999; for MYOCLONIC JERKING, MASSIVE see SPASMS, INFANTILE 1977-1999
History Note
1963; for MYOCLONIC JERKING use EPILEPSY, MYOCLONIC 1992-1999; for MYOCLONIC JERKING, MASSIVE use SPASMS, INFANTILE 1977-1999
Date Established
1963/01/01
Date of Entry
1999/01/01
Revision Date
2006/07/05
Myoclonus Preferred
Myoclonus Simplex Narrower
Myoclonus, Action Narrower
Myoclonus, Eyelid Narrower
Myoclonus, Intention Narrower
Myoclonus, Upper Extremity Narrower
Polymyoclonus Narrower
Myoclonus, Nocturnal Narrower
Myoclonus, Oculopalatal Narrower
Myoclonus, Palatal Narrower
Myoclonus, Segmental Narrower
Myoclonus, Lower Extremity Narrower
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