| 词条 | Palatal myoclonus |
| 释义 |
| name = Palatal myoclonus | synonyms = | image = The-Dentato-Rubro-Olivary-Tract-Clinical-Dimension-of-This-Anatomical-Pathway-934386.f1.ogv | caption = Palatal myoclonus | pronounce = | field = | symptoms = | complications = | onset = | duration = | types = | causes = | risks = | diagnosis = | differential = | prevention = | treatment = | medication = | prognosis = | frequency = | deaths = }} Palatal myoclonus is a rapid spasm of the palatal (roof of the mouth) muscles, which results in clicking or popping in the ear. The movements of the palate vary in rate between 40 and 200 beats per minute. Chronic clonus is often due to lesions of the central tegmental tract (which connects the red nucleus to the ipsilateral inferior olivary nucleus). Uniquely, the clicking noise does not subside when the patient sleeps. When associated with eye movements, it is known as oculopalatal myoclonus Signs and symptomsSigns and symptoms of Palatal Myoclonus include: Rhythmic, jerky movements in the face, eyeballs, tongue, jaw, vocal cord or extremities (mostly hands).[1] DiagnosisClassificationsphysiologic, essential, epileptic, and symptomatic TreatmentDrugsDrugs used to treat palatal myoclonus include clonazepam, carbamazepine, baclofen, anticholinergics, tetrabenazine, valproic acid, phenytoin, lamotrigine, sumatriptan, and PIR General references
References1. ^{{cite book|last1=Kim|first1=Jong S.|last2=Caplan|first2=Louis R.|title=Stroke|date=2016|publisher=Elsevier|edition=Sixth|url=https://doi.org/10.1016/B978-0-323-29544-4.00026-8|chapter=26 Vertebrobasilar Disease|quote=Occasionally, rhythmic, jerky movements are also observed in the face, eyeballs, tongue, jaw, vocal cord or extremities (mostly hands); they may not be synchronous with palatal movements. The movements of the palate vary in rate between 40 and 200 beats per minute. The movements may involve the Eustachian tube and make a click that the patient can hear.}} 2. ^{{Cite journal | authors=Zadikoff C, Lang AE, Klein C.| title= The 'essentials' of essential palatal tremor: a reappraisal of the nosology. | journal=Brain | volume=129 | issue=4 | pages=832–840 | date=29 November 2005 | pmid=16317025| doi=10.1093/brain/awh684}} 3. ^{{Cite journal | authors= Saeed SR1, Brookes GB. | title=The use of clostridium botulinum toxin in palatal myclonus. A preliminary report. | journal=Journal of Laryngology & Otology | volume=107 | issue=3 | pages=208–210 | year=1993 | doi=10.1017/S0022215100122650}} External links{{Medical resources| DiseasesDB = | ICD10 = | ICD9 = {{ICD9|333.2}} | ICDO = | OMIM = | MedlinePlus = 001637 | eMedicineSubj = | eMedicineTopic = | MeshID = }}{{DEFAULTSORT:Palatal Myoclonus}}{{nervoussystem-disease-stub}} 1 : Extrapyramidal and movement disorders |
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