essential tremor

essential tremor
essential tremor n a common usu. hereditary or familial disorder of movement that is characterized by uncontrolled trembling of the hands and often involuntary nodding of the head and tremulousness of the voice, that is exacerbated by anxiety and by activity, that is not associated with Parkinson's disease or any other known disease, and that responds to treatment with propranolol

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a hereditary tremor with onset at varying ages, usually at about 50 years of age, beginning with a fine rapid tremor (as distinct from that of parkinsonism) of the hands, followed by tremor of the head, tongue, limbs, and trunk; it is aggravated by emotional factors, is accentuated by volitional movement, and in some cases is temporarily improved by alcohol. Called also familial t., heredofamilial t., and hereditary essential t.

Medical dictionary. 2011.

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  • essential tremor — noun tremor of unknown cause (usually of the hands and head) that develops in older people; often mistaken for Parkinsonism but is not life threatening and can usually be kept under control • Hypernyms: ↑tremor …   Useful english dictionary

  • hereditary essential tremor — essential t …   Medical dictionary

  • Tremor — For other uses, see Tremor (disambiguation). Tremor ICD 10 R25.1 ICD 9 781.0 DiseasesDB …   Wikipedia

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  • tremor — n. a rhythmical and alternating movement that may affect any part of the body. The physiological tremor is a feature of the normal mechanism for maintaining posture. It may be more apparent in states of fatigue or anxiety or when the thyroid… …   The new mediacal dictionary

  • Intention tremor — Classification and external resources ICD 10 G25.2 ICD 9 333.1 …   Wikipedia

  • familial tremor — essential t …   Medical dictionary

  • heredofamilial tremor — essential t …   Medical dictionary

  • ТРЕМОР, ДРОЖАНИЕ — (tremor) чередующиеся ритмические движения, которые могут возникать в любой части тела. Физиологический тремор (physiological tremor) представляет собой проявление нормального механизма сохранения положения тела. Он может становиться более… …   Толковый словарь по медицине

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