Myoclonus - Symptoms and causes - Mayo Clinic
2023年1月13日 · Myoclonus refers to a quick jerking movement that you can't control. Hiccups are a form of myoclonus, as are the sudden jerks or "sleep starts" that you may feel just before falling asleep. These forms of myoclonus occur in healthy people and usually aren't serious.
Myoclonus: What It Is, Causes, Symptoms, Treatment & Types
2023年3月16日 · Many causes are normal and harmless, but myoclonus can also be a symptom of serious nervous system conditions. Depending on how and why it happens, this symptom may be treatable, and some conditions that cause it may be preventable.
Myoclonus - National Institute of Neurological Disorders and Stroke
2024年11月22日 · Causes of myoclonic twitches or jerks are: Sudden muscle contractions (tightening), called positive myoclonus; Sudden muscle relaxation, called negative myoclonus ; Myoclonus usually happens from a disruption of the brain or spinal cord. It can also happen after an injury to the peripheral nerves (nerves outside of the brain and spinal cord).
Myoclonus - StatPearls - NCBI Bookshelf - National Center for ...
2020年3月3日 · Myoclonus features diverse causes, anatomic diagnoses, and neurophysiologic presentations, all nonspecific concerning their neuroanatomical source and pathogenesis. Myoclonus can be a benign and temporary occurrence or a persistent and debilitating condition with a wide range of underlying etiologies, from genetic factors to neurological ...
Myoclonus: Types, Causes, Symptoms, and Treatment - WebMD
2024年7月31日 · Myoclonus is sudden muscle movement, like a twitch or jerk, that you can’t control. Learn more about its types, symptoms, causes, diagnosis, and treatment at WebMD.
Classification and evaluation of myoclonus - UpToDate
2024年9月10日 · Myoclonus is a clinical sign that is characterized by brief, shock-like, involuntary movements caused by muscular contractions or inhibitions [1]. Muscular contractions produce positive myoclonus, whereas muscular inhibitions produce negative myoclonus (ie, asterixis).
Myoclonus: Causes, Types, and Treatment - Healthline
2019年12月3日 · Myoclonus is a sudden and involuntary muscle spasm. It is usually a symptom of an underlying disorder and can interfere with eating, talking, and walking. The movement is involuntary and can’t...
Myoclonus: Types, symptoms, triggers, and more - Medical News Today
2024年2月7日 · Myoclonus is a sudden, random muscle jerk. It can happen alone or stem from a medical condition. Possible causes include medication side effects, damage to the nervous system, and...
What Is Myoclonus? Types, Symptoms, Causes, and Treatment
2024年9月30日 · Myoclonus is a sudden, brief episode of involuntary jerking or twitching. It is a symptom of a range of health conditions. Different types of myoclonus can have different underlying causes. Myoclonus movements are not stoppable or controllable and can affect one muscle or a whole muscle group.
Myoclonus - Neurologic Disorders - Merck Manual Professional Edition
Myoclonus is a brief, shocklike contraction of a muscle or group of muscles. Diagnosis is clinical and sometimes confirmed by electromyographic testing. Treatment includes correction of reversible causes and, when necessary, oral medications to relieve symptoms. (See also Overview of Movement and Cerebellar Disorders.)
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