
Myoclonus - Symptoms and causes - Mayo Clinic
Jan 13, 2023 · 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
Myoclonus is a brief, sudden muscle movement (like a twitch or spasm). If you notice muscle jerks that are new and/or getting more frequent, you should talk to a healthcare provider. They’re the best person to help you discover why you’re experiencing this and what you can do about it.
Myoclonus - National Institute of Neurological Disorders and Stroke
Apr 7, 2025 · Myoclonus refers to sudden, brief involuntary twitching or jerking of a muscle or group of muscles. The twitching cannot be stopped or controlled by the person experiencing it. Myoclonus is not a disease itself, rather it describes a clinical sign.
Myoclonus - Wikipedia
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.
Myoclonus - StatPearls - NCBI Bookshelf
Mar 3, 2020 · Myoclonus is a complex and often perplexing hyperkinetic movement disorder. Myoclonus describes an involuntary and uncontrollable muscle contraction disorder consisting of sudden, brief, and lightning-like movements of a specific muscle, group of …
Classification and evaluation of myoclonus - UpToDate
Sep 10, 2024 · 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 - Brain, Spinal Cord, and Nerve Disorders - Merck …
Myoclonus refers to quick, lightning-like jerks (contractions) of a muscle or a group of muscles. Myoclonus may occur normally (for example, jerking of a leg when a person is falling asleep), but it may result from a disorder, such as liver failure, a head injury, low blood sugar, or Parkinson disease or from use of certain medications.
Myoclonus: Causes, Types, and Treatment - Healthline
Dec 3, 2019 · 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 - Neurologic Disorders - MSD 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.)
Myoclonus: Types, Causes, Symptoms, and Treatment - WebMD
Jul 31, 2024 · Myoclonus (pronounced "my-OCK-lo-nus") is a sudden muscle spasm that you can’t control. It can be a natural reflex – like jumping when something scares you or getting the hiccups from laughing...