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EMG: myokymic discharges

MedGen UID:
867776
Concept ID:
C4022166
Finding
HPO: HP:0100288

Definition

The presence of spontaneous bursts of rapidly firing potentials that recur at regular intervals of 2-10 per second and are unaffected by voluntary effort. This is an electromyographic (EMG) finding. [from HPO]

Term Hierarchy

CClinical test,  RResearch test,  OOMIM,  GGeneReviews,  VClinVar  
  • CROGVEMG: myokymic discharges

Professional guidelines

PubMed

Al-Chalabi M, Hegde P, Moore SR, Abouainain Y, Keener M, Parvez H, Eid J, Saleem S, Sheikh A
J Clin Neuromuscul Dis 2023 Dec 1;25(2):94-106. doi: 10.1097/CND.0000000000000460. PMID: 37962197
Falah M, Schiff D, Burns TM
J Support Oncol 2005 Jul-Aug;3(4):271-82. PMID: 16092597

Recent clinical studies

Etiology

Moura J, Samões R, Cardoso M, Sousa AP, Damásio J, Marinho A, Carneiro P, Neves E, Silva AM, Santos E
Clin Neurol Neurosurg 2023 Nov;234:107994. Epub 2023 Sep 30 doi: 10.1016/j.clineuro.2023.107994. PMID: 37797365
Oishi T, Ryan CS, Vazquez Do Campo R, Laughlin RS, Rubin DI
Muscle Nerve 2021 Jun;63(6):861-867. Epub 2021 Mar 24 doi: 10.1002/mus.27219. PMID: 33675544
Hart IK, Maddison P, Newsom-Davis J, Vincent A, Mills KR
Brain 2002 Aug;125(Pt 8):1887-95. doi: 10.1093/brain/awf178. PMID: 12135978
Boyaciyan A, Oge AE, Yazici J, Aslay I, Baslo A
Electroencephalogr Clin Neurophysiol 1996 Dec;101(6):483-90. PMID: 9020820
Esteban A, Traba A
Electroencephalogr Clin Neurophysiol 1993 Dec;89(6):382-91. doi: 10.1016/0168-5597(93)90111-2. PMID: 7507424

Diagnosis

Al-Chalabi M, Hegde P, Moore SR, Abouainain Y, Keener M, Parvez H, Eid J, Saleem S, Sheikh A
J Clin Neuromuscul Dis 2023 Dec 1;25(2):94-106. doi: 10.1097/CND.0000000000000460. PMID: 37962197
Moura J, Samões R, Cardoso M, Sousa AP, Damásio J, Marinho A, Carneiro P, Neves E, Silva AM, Santos E
Clin Neurol Neurosurg 2023 Nov;234:107994. Epub 2023 Sep 30 doi: 10.1016/j.clineuro.2023.107994. PMID: 37797365
Posa A, Niśkiewicz I, Raescu V, Emmer A, Surov A, Kornhuber M
Muscle Nerve 2020 Mar;61(3):387-390. Epub 2020 Jan 6 doi: 10.1002/mus.26789. PMID: 31875989
Küçükali CI, Kürtüncü M, Akçay Hİ, Tüzün E, Öge AE
Rev Neurosci 2015;26(2):239-51. doi: 10.1515/revneuro-2014-0066. PMID: 25719304
Albers JW, Allen AA 2nd, Bastron JA, Daube JR
Muscle Nerve 1981 Nov-Dec;4(6):494-504. doi: 10.1002/mus.880040606. PMID: 7311989

Therapy

Al-Chalabi M, Hegde P, Moore SR, Abouainain Y, Keener M, Parvez H, Eid J, Saleem S, Sheikh A
J Clin Neuromuscul Dis 2023 Dec 1;25(2):94-106. doi: 10.1097/CND.0000000000000460. PMID: 37962197
Li KC, Liao MF, Wu YR, Lyu RK
BMC Neurol 2022 Mar 4;22(1):74. doi: 10.1186/s12883-022-02584-7. PMID: 35246046Free PMC Article
Falah M, Schiff D, Burns TM
J Support Oncol 2005 Jul-Aug;3(4):271-82. PMID: 16092597
Shapiro BE, Rordorf G, Schwamm L, Preston DC
Neurology 1996 Jun;46(6):1604-6. doi: 10.1212/wnl.46.6.1604. PMID: 8649557
Brunt ER, van Weerden TW
Brain 1990 Oct;113 ( Pt 5):1361-82. doi: 10.1093/brain/113.5.1361. PMID: 2245301

Prognosis

Moura J, Samões R, Cardoso M, Sousa AP, Damásio J, Marinho A, Carneiro P, Neves E, Silva AM, Santos E
Clin Neurol Neurosurg 2023 Nov;234:107994. Epub 2023 Sep 30 doi: 10.1016/j.clineuro.2023.107994. PMID: 37797365
Fang J, Huang H, Lei Q, Luo Y, Tang Z, Shi X, Tang JG
BMC Neurol 2022 May 3;22(1):168. doi: 10.1186/s12883-022-02690-6. PMID: 35501818Free PMC Article
Rubin DI
Handb Clin Neurol 2019;160:257-279. doi: 10.1016/B978-0-444-64032-1.00017-5. PMID: 31277853
Valls-Solé J
Handb Clin Neurol 2013;115:367-80. doi: 10.1016/B978-0-444-52902-2.00020-5. PMID: 23931790
Blunt SB, Khalil NM, Perkin GD
Mov Disord 1997 Mar;12(2):235-8. doi: 10.1002/mds.870120215. PMID: 9087983

Clinical prediction guides

Aiguabella M, Gascón-Bayarri J, Montero J, Santín M, Peña C
Acta Neurol Belg 2011 Sep;111(3):245-8. PMID: 22141294
Schalow G, Blanc Y, Jeltsch W, Zäch GA
Gen Physiol Biophys 1996 Aug;15 Suppl 1:121-220. PMID: 8934200
Valls-Sole J, Tolosa ES, Pujol M
Muscle Nerve 1992 Jan;15(1):37-42. doi: 10.1002/mus.880150107. PMID: 1732759
Calancie B, Ayyar DR, Eismont FJ
Electromyogr Clin Neurophysiol 1992 Sep;32(9):443-7. PMID: 1396296
Bettoni L, Bortone E, Ghizzoni P, Lechi A
J Neurol Sci 1988 Mar;84(1):69-76. doi: 10.1016/0022-510x(88)90175-x. PMID: 3367153

Recent systematic reviews

Al-Chalabi M, Hegde P, Moore SR, Abouainain Y, Keener M, Parvez H, Eid J, Saleem S, Sheikh A
J Clin Neuromuscul Dis 2023 Dec 1;25(2):94-106. doi: 10.1097/CND.0000000000000460. PMID: 37962197

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