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nocturnal myoclonus |
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myoclonus /my·oc·lo·nus/ (mi-ok´lo-nus) shocklike contractions of a muscle or a group of muscles.myoclon´ic essential myoclonus myoclonus of unknown etiology, involving one or more muscles and elicited by excitement or an attempt at voluntary movement. intention myoclonus that occurring when voluntary muscle movement is initiated. nocturnal myoclonus nonpathological myoclonic jerks occurring as a person is falling asleep or is asleep. palatal myoclonus rapid rhythmic, up-and-down movement of one or both sides of the palate, often with ipsilateral synchronous clonic movements of the face, tongue, pharynx, and diaphragm muscles.
Nocturnal myoclonus A disorder in which the patient is awakened repeatedly during the night by cramps or twitches in the calf muscles. Nocturnal myoclonus is sometimes called periodic limb movement disorder (PLMD). Mentioned in: Sleep Disorders nocturnal myoclonus, a sleep disorder that usually affects older adults and is marked by thrashing or kicking movements. The condition may be exacerbated by the use of tricyclic depressants used to induce sleep. nocturnal myoclonus 1 Restless legs, see there; a condition of periodic lower-leg movements during sleep with associated daytime sleepiness, or complaints of insomnia See Sleep disorder 2 Sleep-related myoclonus, see there How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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