Orthostatic Tremor and Orthostatic Myoclonus: Weight-bearing Hyperkinetic Disorders: A Systematic Review...

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Orthostatic Tremor and Orthostatic Myoclonus: Weight-bearing Hyperkinetic Disorders: A Systematic Review...

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Orthostatic Tremor and Orthostatic Myoclonus: Weight-bearing Hyperkinetic Disorders: A Systematic Review, New Insights, and Unresolved Questions -

A new article has been published on the TremorJournal.org website. This is described as a systematic review of literature about Orthostatic Tremor and Orthostatic Myoclonus and the first joint review of Orthostatic Tremor and Orthostatic Myoclonus. I thought it was interesting that the authors found 1,053 articles produced since 2010 when searching for “primary orthostatic tremor”. The researchers discuss the possibilities of multiple OT generators. They also propose that “slow OT” be defined as less than or equal to 10Hz and “classical OT” include frequencies of 11-13Hz. Also discussed is the associated arm tremor with primary OT.

The following comment on diagnosis is also worthy of emphasizing:
Both orthostatic hyperkinesias can be definitively diagnosed and distinguished from each other by surface electromyography (SEMG).8 Other methods, such as leg muscle palpation and auscultation, are neither sufficiently sensitive nor specific to diagnose OT and OM reliably.
LINK TO ARTICLE

Authors -
Anhar Hassan - Department of Neurology, Mayo Clinic, Rochester, MN, USA
Jay A. van Gerpen - Department of Neurology, Mayo Clinic, Jacksonville, FL, USA
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