myoclonus

my·oc·lo·nus

M0509720 (mī-ŏk′lə-nəs)n. A sudden irregular twitching of muscles or parts of muscles, occurring in various brain disorders.

my′o·clon′ic (mī′ə-klŏn′ĭk) adj.

myoclonus

(maɪˈɒklənəs) n (Medicine) a sudden involuntary contraction of a muscle or group of muscles

my•oc•lo•nus

(maɪˈɒk lə nəs)

n. an abrupt spasm or twitch of a muscle or muscles, occurring in some neurological diseases. [1880–85] my•o•clon•ic (ˌmaɪ əˈklɒn ɪk) adj.

myoclonus

Rapid, involuntary spasm or jerks of a muscle or muscles, occurring during movement or rest. It can occur as a result of a brain disorder or epileptic fit, and may be linked with diseases of the nerves and muscles.

Thesaurus

Noun

myoclonus - a clonic spasm of a muscle or muscle groupcramp, muscle spasm, spasm - a painful and involuntary muscular contraction

Translations

myoclonus

enUK

myoclonus

[mi″o-klo´nus] shocklike contractions of part of a muscle, an entire muscle, or a group of muscles; usually a manifestation of a convulsive disorder. adj., adj myoclon´ic.

A single myoclonic arm or leg jerk is normal when the person is falling asleep. Myoclonic jerks are severe with grand mal seizures. From Jarvis, 1996.palatal myoclonus a condition characterized by a rapid rhythmic movement of one or both sides of the palate.

my·oc·lo·nus

(mī-ok'lō-nŭs, mī-ō-klo'nŭs), One or a series of shocklike contractions of a group of muscles, of variable regularity, synchrony, and symmetry, generally due to a central nervous system lesion. [myo- + G. klonos, tumult]

myoclonus

(mī-ŏk′lə-nəs)n. A sudden irregular twitching of muscles or parts of muscles, occurring in various brain disorders.

my′o·clon′ic (mī′ə-klŏn′ĭk) adj.

myoclonus

Lightning movement Neurology A rapid involuntary nonrhythmic spasm that can occur spontaneously at rest, in response to sensory stimulation, or with voluntary movements; myoclonias are symptoms and not, per se, diseases a sui generis Management Clonazepam, valproic acid. See Baltic myoclonus, Posthypoxic ischemic myoclonus, Sleep-related myoclonus. Myoclonus types Essential myoclonus Idiopathic/non-progressive, eg restless legs syndrome Physiologic myoclonus Associated with sleep jerks and hiccups Epileptic myoclonus Associated with epilepsy and Symptomatic myoclonus Associated with encephalopathy, spinocerebellar degeneration, metabolic, toxic, or viral encephalopathy or trauma

my·oc·lo·nus

(mī'ok'lŏ-nŭs) One or a series of shocklike contractions of a group of muscles, of variable regularity, synchrony, and symmetry, generally due to a central nervous system lesion. [myo- + G. klonos, tumult]

myoclonus

A sudden, brief, involuntary muscle contraction usually causing a jerk of a limb. This occurs most commonly as a normal phenomenon in people half asleep but myoclonic contractions are a feature of EPILEPSY and of many other brain diseases.

Myoclonus

Involuntary contractions of a muscle or group of muscles.Mentioned in: Anoxia

my·oc·lo·nus

(mī'ok'lŏ-nŭs) One or a series of shocklike contractions of a group of muscles, of variable regularity, synchrony, and symmetry. [myo- + G. klonos, tumult]

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Words related to myoclonus

noun a clonic spasm of a muscle or muscle group

Related Words