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Myoclonic dystonia or Myoclonus dystonia syndrome is a rare movement disorder that induces spontaneous muscle contraction causing abnormal posture. The prevalence of myoclonus dystonia has not been reported, however, this disorder falls under the umbrella of movement disorders which affect thousands worldwide. [ 1 ]
Myoclonus is a brief, involuntary, irregular (lacking rhythm) twitching of a muscle, a joint, or a group of muscles, different from clonus, which is rhythmic or regular. Myoclonus (myo-"muscle", clonus "spasm") describes a medical sign and, generally, is not a diagnosis of a disease.
Opsoclonus myoclonus syndrome (OMS), also known as opsoclonus-myoclonus-ataxia (OMA), is a rare neurological disorder of unknown cause which appears to be the result of an autoimmune process involving the nervous system. It is an extremely rare condition, affecting as few as 1 in 10,000,000 people per year.
Lance–Adams syndrome (LAS) is a sequela of hypoxic encephalopathy due to respiratory arrest, airway obstruction, cardiac arrest, etc., several days after the onset of hypoxic encephalopathy. A condition that presents with functional myoclonus associated with increased cortical excitability in a few weeks.
The most common symptom of PME is myoclonus. [2] The myoclonus can be fragmented or multifocal and can be triggered by posture, actions, and external stimuli such as light, sound, and touch. [2] The type of myoclonus differs between the types of PME. Other symptoms of PME include generalized, tonic clonic, tonic, and atypical absence seizures. [4]
Progressive myoclonus epilepsy is a disease associated with myoclonus, epileptic seizures, and other problems with walking or speaking. These symptoms often worsen over time and can be fatal. [6] MERRF syndrome is also known as myoclonic epilepsy with ragged-red fibers.
A new study finds that 9 out of 10 adults in the U.S. may have cardiovascular-kidney-metabolic (CKM) syndrome. The research found 90% of adults qualify for stage 1 or higher of this condition.
Ramsay Hunt syndrome type 1 is a rare, degenerative, neurological disorder characterized by myoclonus epilepsy, intention tremor, progressive ataxia and occasionally cognitive impairment [1] It has also been alternatively called dyssynergia cerebellaris myoclonica , [ 2 ] [ 3 ] dyssynergia cerebellaris progressiva , [ 4 ] dentatorubral ...