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  2. Myoclonus - Wikipedia

    en.wikipedia.org/wiki/Myoclonus

    Action myoclonus is the most disabling form of myoclonus and can affect the arms, legs, face, and even the voice. It is often associated with tonic-clonic seizures and diffuse neuronal disease such as post-hypoxic encephalopathy , uremia , and the various forms of PME, although, in the case of focal cerebral damage, the disease may be ...

  3. Myoclonic epilepsy - Wikipedia

    en.wikipedia.org/wiki/Myoclonic_epilepsy

    Familial adult myoclonus Epilepsy (FAME) This is a condition characterized by the repetition of non-coding sequences and has been identified using various abbreviations. Initially, it was associated with four primary gene locations: FAME1 (8q23.3–q24.1), FAME2 (2p11.1–q12.1), FAME3 (5p15.31–p15.1), and FAME4 (3q26.32–3q28).

  4. Myoclonic astatic epilepsy - Wikipedia

    en.wikipedia.org/wiki/Myoclonic_astatic_epilepsy

    The onset of seizures is between the ages of 2 and 5 years of age. EEG shows regular and irregular bilaterally synchronous 2- to 3-Hz spike-waves and polyspike patterns with a 4- to 7-Hz background. 84% of affected children show normal development prior to seizures; the remainder show moderate psychomotor retardation mainly affecting speech.

  5. Progressive myoclonus epilepsy - Wikipedia

    en.wikipedia.org/wiki/Progressive_myoclonus_epilepsy

    Symptoms often include action or stimuli induced myoclonus, seizures, neuropathy, cognitive decline, and spike and wave or no cerebral discharges. [4] The prognosis of those diagnosed with PME is poor. The person often becomes reliant on a wheelchair, enters a vegetative state due to myoclonus, and has a shortened life expectancy. [4] [3]

  6. Myoclonic dystonia - Wikipedia

    en.wikipedia.org/wiki/Myoclonic_dystonia

    Myoclonus is usually classified physiologically to optimize treatment. Myoclonus is a precursor effect to myoclonus dystonia and most commonly begins in childhood or adolescence. [4] [5] Myoclonus is classified as cortical, subcortical, peripheral or spinal. Cortical myoclonus is the most common of these four and affects the upper limbs and face.

  7. Unverricht–Lundborg disease - Wikipedia

    en.wikipedia.org/wiki/Unverricht–Lundborg_disease

    Unverricht–Lundborg disease was first known as one of two different diseases, depending on the location of the individual who had it: Baltic myoclonus or Mediterranean myoclonus. [7] The reason for the different names was partly regional but also because the prognosis of the disease was different for individuals with each due to the way that ...

  8. MERRF syndrome - Wikipedia

    en.wikipedia.org/wiki/MERRF_syndrome

    If the individual has been experiencing myoclonus, the doctor will run a series of genetic studies to determine if it is a mitochondrial disorder. [citation needed] The molecular genetic studies are run to identify the reason of for the mutations underlying the mitochondrial dysfunction. This approach will avoid the need for a muscle biopsy or ...

  9. Hypnic jerk - Wikipedia

    en.wikipedia.org/wiki/Hypnic_jerk

    A hypnic jerk, hypnagogic jerk, sleep start, sleep twitch, myoclonic jerk, or night start is a brief and sudden involuntary contraction of the muscles of the body which occurs when a person is beginning to fall asleep, often causing the person to jump and awaken suddenly for a moment.