单词	clonus
释义	clonus /ˈkləʊnəs / noun [mass noun] Medicine Muscular spasm involving repeated, often rhythmic, contractions: the patient suffered partial seizures accompanied with clonus in the left arm... Medication is indicated when stiffness, spasms, or clonus interferes with function or sleep. Physical examination revealed left ankle clonus, positive Babinski sign on the left, and left lower extremity weakness. The patient should be tested for deep tendon reflexes and clonus. Derivatives clonic /ˈkləʊnɪk / adjective ... All 15 patients had generalised rhythmic myoclonic ‘seizures’ but eight had also had focal clonic episodes affecting various sites. A two-year-old girl presented with a generalized seizure with tonic - clonic movements of all extremities. Occasionally, mild clonic seizures occur, but a seizure work-up is not indicated unless other signs point in this direction. Origin Early 19th century: from Greek klonos 'turmoil'.
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