Myoclonus is a brief, sudden muscle movement (like a twitch, jerk or spasm). It happens when muscles incorrectly activate and usually lasts just a fraction of a second.

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 …

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 …

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. …

What is myoclonus? Myoclonus is a brief, uncontrollable twitching of the muscles, also known as myoclonic jerks. It can be alarming to experience, however it’s generally treatable with medication or …

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 …

Myoclonus - Etiology, pathophysiology, symptoms, signs, diagnosis & prognosis from the MSD Manuals - Medical Professional Version.

Meperidine and codeine are most associated with myoclonus, but morphine, oxycodone, hydrocodone, and hydromorphone have also been associated. Fentanyl and methadone may be less likely to …

Myoclonus is a neurological clinical sign marked by sudden, quick, and involuntary muscle contractions or jerks. These contractions can happen in one muscle group or in several muscle groups at the …

Jul 31, 2024 · 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.