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35 Possible Causes for Myokymia, Onset of Dysarthria in Third Decade of Life

  • Episodic Ataxia

    […] in third to fifth decade of life Pure cerebellar ataxia, nystagmus, dysarthria, dysphagia, hypotonia, and generalized and/or complex partial epilepsy Spinocerebellar ataxia[emedicine.com] In addition, myokymia (rippling of muscles, diagnosable by electromyography) is evident during and between attacks.[ncbi.nlm.nih.gov] All of the affected family members had episodes typically lasting for several hours, and none of them had muscle abnormalities including myokymia.[ncbi.nlm.nih.gov]

  • Spinocerebellar Ataxia Type 5

    The onset of symptoms is usually in the third or fourth decade of life; however, more subtle clinical manifestations can start in early childhood.[ncbi.nlm.nih.gov] Facial myokymia is a prominent feature among the French kindred. Nystagmus is less prominent than in SCA6 or SCA8.[ataxia.uchicago.edu] […] mutation (transition C T at nucleotide position 1438), the proband having a much more severe phenotype with global developmental delay, hypotonia, tremor, nystagmus, and facial myokymia[ncbi.nlm.nih.gov]

  • Autosomal Recessive Spinocerebellar Ataxia 8

    […] in third to fifth decade of life Pure cerebellar ataxia, nystagmus, dysarthria, dysphagia, hypotonia, and generalized and/or complex partial epilepsy Spinocerebellar ataxia[emedicine.medscape.com] 1 MYOKYMIA 1 WITH HYPOMAGNESEMIA Kv1.5 (K7/45) ATRIAL FIBRILLATION, FAMILIAL, TYPE 7 Laforin (N84/1) PROGRESSIVE MYOCLONIC EPILEPSY, TYPE 2A MMACHC (N230/21) METHYLMALONIC[neuromab.ucdavis.edu] EA1 may begin in early childhood with attacks of ataxia lasting minutes and with interictal myokymia.[tchain.com]

  • Autosomal Dominant Spastic Ataxia Type 1

    […] in third to fifth decade of life Pure cerebellar ataxia, nystagmus, dysarthria, dysphagia, hypotonia, and generalized and/or complex partial epilepsy Spinocerebellar ataxia[emedicine.medscape.com] EA Episodic ataxia with myokymia Eam ataxia, episodic, with myokymia AEM Aemk paroxysmal ataxia with neuromyotonia, hereditary myokymia with periodic ataxia Episodic ataxia[diseaseinfosearch.org] EPISODIC ATAXIA, TYPE 1; EA1 PAROXYSMAL ATAXIA WITH NEUROMYOTONIA, HEREDITARY EPISODIC ATAXIA WITH MYOKYMIA; EAM ATAXIA, EPISODIC, WITH MYOKYMIA; AEM; AEMK MYOKYMIA WITH PERIODIC[slideshare.net]

  • Autosomal Recessive Spinocerebellar Ataxia Type 17

    […] in third to fifth decade of life Pure cerebellar ataxia, nystagmus, dysarthria, dysphagia, hypotonia, and generalized and/or complex partial epilepsy Spinocerebellar ataxia[emedicine.medscape.com] EPISODIC ATAXIA, TYPE 1; EA1 PAROXYSMAL ATAXIA WITH NEUROMYOTONIA, HEREDITARY EPISODIC ATAXIA WITH MYOKYMIA; EAM ATAXIA, EPISODIC, WITH MYOKYMIA; AEM; AEMK MYOKYMIA WITH PERIODIC[slideshare.net] myokymia; thus, the denomination of FDFM was misleading.[movementdisorders.org]

  • X-Linked Spinocerebellar Ataxia Type 5

    […] in third to fifth decade of life Pure cerebellar ataxia, nystagmus, dysarthria, dysphagia, hypotonia, and generalized and/or complex partial epilepsy Spinocerebellar ataxia[emedicine.medscape.com] […] homolog of potassium channel, voltage-gated, shaker-related subfamily, member 1 potassium voltage-gated channel, shaker-related subfamily, member 1 (episodic ataxia with myokymia[ukgtn.nhs.uk] […] nystagmus, limb spasticity, limb and gait ataxia, and diminished vibration perception Progression generally slow Spinocerebellar ataxia 10 See the list below: Clinical features Onset[emedicine.medscape.com]

  • Spinocerebellar Ataxia with Axonal Neuropathy

    […] in third to fifth decade of life Pure cerebellar ataxia, nystagmus, dysarthria, dysphagia, hypotonia, and generalized and/or complex partial epilepsy Spinocerebellar ataxia[emedicine.medscape.com] EPISODIC ATAXIA, TYPE 1; EA1 PAROXYSMAL ATAXIA WITH NEUROMYOTONIA, HEREDITARY EPISODIC ATAXIA WITH MYOKYMIA; EAM ATAXIA, EPISODIC, WITH MYOKYMIA; AEM; AEMK MYOKYMIA WITH PERIODIC[slideshare.net] […] syndrome KCNC1 Epilepsy, progressive myoclonic KCNQ2 Benign familial neonatal seizures, Epileptic encephalopathy, early infantile, Myokymia KCNQ3 Seizures, benign neonatal[genda.com.ar]

  • Autosomal Recessive Spinocerebellar Ataxia

    […] in third to fifth decade of life Pure cerebellar ataxia, nystagmus, dysarthria, dysphagia, hypotonia, and generalized and/or complex partial epilepsy Spinocerebellar ataxia[emedicine.medscape.com] […] homolog of potassium channel, voltage-gated, shaker-related subfamily, member 1 potassium voltage-gated channel, shaker-related subfamily, member 1 (episodic ataxia with myokymia[ukgtn.nhs.uk] Myokymia, vertigo, or hearing loss may occur in some of the subtypes.[blueprintgenetics.com]

  • Adult-Onset Autosomal Recessive Cerebellar Ataxia

    […] in third to fifth decade of life Pure cerebellar ataxia, nystagmus, dysarthria, dysphagia, hypotonia, and generalized and/or complex partial epilepsy Spinocerebellar ataxia[emedicine.medscape.com] Myokymia, vertigo, or hearing loss may occur in some of the subtypes.[blueprintgenetics.com] There is no interictal myokymia but gaze-evoked nystagmus is seen.[jpgmonline.com]

  • Cerebellar Ataxia with Peripheral Neuropathy Type 2

    […] in third to fifth decade of life Pure cerebellar ataxia, nystagmus, dysarthria, dysphagia, hypotonia, and generalized and/or complex partial epilepsy Spinocerebellar ataxia[emedicine.medscape.com] EPISODIC ATAXIA, TYPE 1; EA1 PAROXYSMAL ATAXIA WITH NEUROMYOTONIA, HEREDITARY EPISODIC ATAXIA WITH MYOKYMIA; EAM ATAXIA, EPISODIC, WITH MYOKYMIA; AEM; AEMK MYOKYMIA WITH PERIODIC[slideshare.net] There is no interictal myokymia but gaze-evoked nystagmus is seen.[jpgmonline.com]

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