Clonus: Causes & Reasons - Symptoma Malta

Possible Causes for Clonus

[…] with radicular symptoms - 16% had pure myelopathic symptoms - 23% had a combination of myelopathic and radiculopathy - upper motor neuron findings such as hyper-reflexia, clonus [wheelessonline.com]

Physical examination revealed significant increase in deep tendon reflexes in the lower extremities and clonus. Hoffman's sign was positive in the left upper extremity. [ncbi.nlm.nih.gov]

Motor weakness in the extremities Gait difficulties ("spastic gait," hesitant and jerky) Myelopathic or "upper motor neuron" findings such as spasticity, hyperreflexia, clonus [emoryhealthcare.org]

Spastic Paraplegia

This case showed spasticity and hyperreflexia with pathological reflexes and ankle clonus as well as muscle weakness in all extremities. [ncbi.nlm.nih.gov]

/off cycle of clonus. [shieldhealthcare.com]

Neurologic examination of individuals with this mutation may show dysmetria in the upper extremities, hyperreflexia, distal amyotrophy and ankle clonus, in addition to spasticity [en.wikipedia.org]

Cervical Myelopathy

Increased tension in the leg muscles (Hyperreflexia) Accentuated reflexes of the knee and ankle Forced extension of the ankle may cause the foot to beat up and down rapidly (clonus [dr-bertagnoli.com]

Motor weakness in the extremities Gait difficulties ("spastic gait," hesitant and jerky) Myelopathic or "upper motor neuron" findings such as spasticity, hyperreflexia, clonus [emoryhealthcare.org]

Opsoclonus-Myoclonus Syndrome

Clonus クローヌス Clonus (English: clonus) translates as regular, rhythmically repeating muscle contraction, which occurs when a muscle or tendon is unexpectedly stretched, clan [educalingo.com]

Cerebellar Ataxia nothing this is Absa clonus myoclonus syndrome until proven otherwise come on people get the right hospitals who will diagnose rare diseases this is bull [trkeys.net]

Deep tendon reflexes were normal, and no clonus or pathologic reflexes were noted. Muscle strength and tone were normal. [doi.org]

Cerebral Palsy with Spastic Diplegia

Unilateral ankle clonus (usually). Babinski sign. Brisk deep tendon reflexes. Weakness of hand and foot dorsiflexors. [pathophys.org]

Not uncommonly ataxia coexists with involuntary movements, including, for example, myoclonus in Angelman's syndrome. [adc.bmj.com]

Tremor, myoclonus, and even some element of dystonia also may be evident. Other common features are ﬁnger and toe extension and rotation of the limb along its long axis. [childneurologyfoundation.org]

Pyramidal Tract Lesion

In a patient with clonus, a muscle stretch elicits alternating contractions of agonist and antagonist muscle groups. [courses.washington.edu]

Spastic hemiparesis of the contralateral side, augmented DTR's, loss of abdominal + cremastic reflexes, Babinski reflex, clonus. [brainscape.com]

[…] days to a few weeks, flaccidity gradually gives way to spasticity at the same time that the tendon reflexes reappear and eventually become hyperactive, as indicated by foot clonus [jneurology.com]

Progressive Myoclonic Epilepsy

Increased cortical hyperexcitability and exaggerated myoclonus with aging in benign adult familial myoclonus epilepsy. Mov. Disord. 2011;26:1509–1514. [ncbi.nlm.nih.gov]

At that same time, ataxia and myoclonus were first noted, clinical diagnosis of myoclonus epilepsy was made. [ncbi.nlm.nih.gov]

Severity of myoclonus with action was evaluated by using video-recorded Unified Myoclonus Rating Scale (UMRS). [pubmed.ncbi.nlm.nih.gov]

Acute Amphetamine Intoxication

[…] nausea, vomiting, diarrhoea, GIT ischaemia metabolic hyperkalaemia (suggests PMA) hypoglycaemia other hyperthermia, muscle rigidity, rhabdomyolysis, serotonin syndrome (clonus [ozemedicine.com]

[…] inhibitor poisoning clinical manifestations include agitation, tachycardia, and diaphoresis but can be clinically distinguished by the presence of lower extremity tremor and clonus [calsprogram.org]

[…] oxygen saturation) Observation: colour, track marks, smell, bruising, skin changes, pressure sores Neurological: Glasgow Coma Scale, pupils, tone, limb movements, reflexes, clonus [racgp.org.au]

Nocturnal Myoclonus Syndrome

and the numerous varieties of epileptic myoclonus. [pubmed.ncbi.nlm.nih.gov]

relation to sleep-wake disorder Coleman, RM; Pollack, C; Weitzman, ED Myoclonus: advances in neurology, vol 43 Fahn, S; Marsden, CD; Woert, MH Dopaminergic treatment of [plosjournal.deepdyve.com]

NMS stands for "Nocturnal Myoclonus Syndrome" How to abbreviate Nocturnal Myoclonus Syndrome? [allacronyms.com]

Anticholinergic Toxicity

Ocular clonus plus agitation or diaphoresis, Tremor plus hyperreflexia or Hypertonia plus temperature above 38° C plus ocular clonus or inducible clonus. [acphospitalist.org]

[…] may result in serotonin toxicity—a syndrome that includes altered cognition, autonomic changes (eg, tachycardia, hyperthermia), and neuromuscular effects (eg, rigidity, clonus [mdedge.com]

Central motor effects may be manifested as myoclonus or choreoathetoid movements. [clinicalgate.com]

MERRF Syndrome

myoclonus in MERRF. [jns-journal.com]

[…] with Wolff-Parkinson-White syndrome short stature The diagnosis of MERRF is based on clinical symptoms (myoclonus, epilepsy, ataxia) and ragged-red fibers on muscle biopsy [radiopaedia.org]

[…] ragged red fibers (disorder) Myoclonus with epilepsy and with Ragged Red Fibers (MERRF syndrome) myoclonic epilepsy with ragged red fibers Fukuhara syndrome Myoclonus with [wikidata.org]

Cervical Spinal Cord Tumor

Coming down the stairs or stepping off a curb will reveal ankle clonus felt as “vibrations” by patient. [clinicaladvisor.com]

Other signs evident upon physical examination may include spine tenderness, stiffening of gait, trophic changes of extremity, sensory loss, hyperreflexia, clonus, and scoliosis [emedicine.medscape.com]

In patients with severe spasticity, ankle clonus is prominent. High cervical cord lesions may produce quadriparesis with diaphragmatic weakness. [clinicaladvisor.com]

Hepatic Encephalopathy

[…] symptoms is disturbance in diurnal sleep patterns e) Spectrum of presentation is broad, but some signs to be aware of are: bradykinesia, asterixis, hyperreflexia, ataxia, clonus [errolozdalga.com]

There is usually hyperreflexia, clonus, rigidity of limbs, extensor response, grasping, and sucking responses. [enotes.tripod.com]

[…] personality change, inappropriate behavior, asterixis usually present Grade III Somnolence to semistupor, but responsive to verbal stimuli, confusion, gross disorientation, clonus [cancertherapyadvisor.com]

Epilepsy with Generalized Tonic-Clonic Seizures

[…] archaic term, it is not typically used by medical professionals. [3] See also [ edit ] Focal seizure Absence seizure Epileptic seizure Non-epileptic seizure Tonic (physiology) Clonus [en.wikipedia.org]

The initial jerks can be considered to be either a brief period of clonus or myoclonus. [onlinelibrary.wiley.com]

“Myo” means muscle and “clonus” (KLOH-nus) means rapidly alternating contraction and relaxation—jerking or twitching—of a muscle. [eftx.org]

Juvenile Myoclonic Epilepsy

However, myoclonus implies something important. [study.com]

Myoclonic seizures are brief, shock-like jerks of a muscle or a group of muscles "Myo" means muscle and "clonus" (KLOH-nus) means rapidly alternating contraction and relaxation [gpnotebook.co.uk]

Conversely, other cognitive tasks, such as reading, typing, thinking, or calculation never elicited any seizures or myoclonus. [ncbi.nlm.nih.gov]

Cervical Spondylosis

Objective neurological deficit (upper motor neurone signs in the legs (eg, up-going plantars, hyperreflexia, clonus, spasticity); lower motor neurone signs in the arms (eg [patient.info]

On physical examination, you may find some or many of the following: clonus or spasticity of the lower extremities sensory changes (light touch, pinprick sensation, or temperature [americannursetoday.com]

MELAS Syndrome

Other symptoms included spastic paresis of the right upper limb, partial blindness of the right side, trouble with left eyeball abduction, feet clonus. [practicalneurology.com]

[…] epilepsy AND ragged red fibers Myoclonus epilepsy and ragged red fibers syndrome Myopathy, mitochondrial Neurogenic muscle weakness, ataxia and retinitis pigmentosa Pearson's [icd9data.com]

[…] acidosis, stroke Mitochondrial metabolism defect Mitochondrial metabolism disorder Mitochondrial mutation Mitochondrial myopathy Mitochondrial respiratory chain disorder Myoclonus [icd9data.com]

Developmental and Epileptic Encephalopathy Type 3

Subsequently, non-epileptic erratic myoclonus, various partial seizures and flexor spasms were observed. [ncbi.nlm.nih.gov]

ACTH treatment was effective and the myoclonus frequency markedly decreased. [ncbi.nlm.nih.gov]

massive myoclonus, focal seizures, late tonic spasms, and EEG signs such as suppression-burst pattern. [medlink.com]

Idiopathic Generalized Epilepsy

The patient presented as rigidity followed by limbs clonus. [nature.com]

Some of the patients present with myoclonus triggered by stimuli such as sudden noises or tapping. [symptoma.com]

Further trials of piracetam for control of myoclonus in patients with IGE are justified. [ncbi.nlm.nih.gov]

Serotonin Syndrome

[…] and diaphoresis, ocular clonus with agitation and diaphoresis, tremor and hyperreflexia, hypertonia, temperature over 38 C with ocular or inducible clonus. [pubmed.ncbi.nlm.nih.gov]

The diagnosis can be made in patients with a history of exposure to a serotonergic drug plus one or more of the following: spontaneous clonus, inducible clonus with agitation [pubmed.ncbi.nlm.nih.gov]

Tay-Sachs Disease

[…] attentiveness Increased startle response A cherry red spot of the fovea centralis of the macula of the retina can be seen in >90% of cases Hyperreflexia with sustained ankle clonus [en.wikibooks.org]

Evaluate for hyperreflexia with sustained ankle clonus during the physical examination. [emedicine.medscape.com]

Tricyclic Antidepressant Overdose

Signs and Symptoms CNS depression Anticholinergic toxicity Depression of cardiac conduction and contractility Disorientation Coma, Myoclonus, clonus, seizures tachycardia, [slideshare.net]

These include central nervous system symptoms such as delirium, agitation, hyperthermia, seizure, myoclonic movements, choreathetoid activity, clonus, and coma, as well as [journals.lww.com]

Other signs of TCA poisoning include palpitations, tachycardia, hypertension, ileus, tremors, myoclonus, confusion, delirium, and lethargy. [dx.doi.org]

Neuraminidase Deficiency

Reference work entry DOI: https://doi.org/ 10.1007/978-3-540-29676-8_1620 Synonyms Mucolipidosis I; Cherry-red spot-myoclonus syndrome Definition and Characteristics Sialidosis [link.springer.com]

Mental retardation, myoclonus, and cherry red spots are present. Hepatosplenomegaly is typically absent. [ismrd.org]

The condition is characterized by a cherry-red spot on the macula, progressive myoclonus, and seizures. There are two types. [medical-dictionary.thefreedictionary.com]

Datura Stramonium Poisoning

The neurological examination also noted hypertony with exaggerated deep tendon reflexes, clonus of the feet, and tremulousness. [intjem.springeropen.com]

Subacute Transverse Myelitis

There was no clonus. Deep tendon reflexes were traced in the upper extremities, 2+ at the knees, 2+ at the ankles. Toe signs were silent. There was no spine tenderness. [egms.de]

No ankle clonus was observed. Babinski’s sign was the plantar response. The anal sphincter tone was intact. [karger.com]

Sola P 2019 3 Acute Transverse Myelitis in Children, Literature Review. ( 29696041 ) Tavasoli A....Tabrizi A. 2018 4 Acute transverse myelitis following an opsoclonus-myoclonus [malacards.org]

Alcohol-Induced Hypoglycemia

She withdrew all extremities to painful stimuli, and had no clonus and no meningismus. [intjem.springeropen.com]

He had no meningismus and no clonus. Cardiopulmonary and gastrointestinal examinations were normal, and he had no signs of trauma. [intjem.springeropen.com]

He had no meningismus and no clonus. His abdominal examination revealed epigastric guarding. There was no gross blood on rectal examination. [intjem.springeropen.com]

Ramsay-Hunt Cerebellar Syndrome

Maternally inherited mitochondrial myopathy and myoclonus epilepsy. Ann Neurol. 1985;17:228-237.Crossref 11. Koskiniemi ML. Baltic myoclonus. [deepdyve.com]

• It has been suggested from studies of patients with progressive myoclonus epilepsy that the term Ramsay Hunt syndrome should be abandoned, as its use has led to nosologic [jamanetwork.com]

Myoclonus epilepsy and ragged-red fibers (MERRF). Electrophysiological studies and comparison with the other progressive myoclonus epilepsies. [docksci.com]

Spinal Epidural Abscess

A patient’s reflexes may vary from being absent to hyperreflexia with clonus (rhythmic muscle spasms or contractions) and extensor plantar responses (a/k/a Babinski responses [matzuslaw.com]

Patellar clonus was present, with hypoesthesia below D 9 level. The chest x-ray was within normal limits. [atmph.org]

[…] and sphincter dysfunction Incomplete spinal cord syndromes Unilateral motor or sensory deficits [10] Gait ataxia [10] Reflexes may vary from absent to hyperreflexia with clonus [emedicine.medscape.com]

Cerebral Palsy

Common motor disorders in cerebral palsy that may appear in different combinations include co‐contraction of antagonist muscles, spasticity and related signs such as clonus [doi.org]

In more severe spasticity, a clonus in the muscle or a marked increase in resistance can be evoked. 12 Hyperreflexia of tendon jerks, abnormal cutaneo-muscular reflexes (such [web.archive.org]

It is part of the upper motor neuron syndrome characterized by hyperreflexia, clonus, extensor plantar responses and primitive reflexes. [physio-pedia.com]

Creutzfeldt Jakob Disease

Myoclonus provoked by noise or other sensory stimuli (startle myoclonus) often develops in the middle to late stages of disease. [msdmanuals.com]

CASE PRESENTATION: We report a case of 59-year-old Asian woman with blurred vision, dysarthria, myoclonus, and rapidly progressive dementia. [ncbi.nlm.nih.gov]

CJD symptoms include dementia, myoclonus, and other central nervous system deficits; death usually occurs between 4 months and 2 years after onset, depending on the CJD form [msdmanuals.com]