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Comment & Response
July 9, 2014

Definitions of Tremor

Author Affiliations
  • 1Division of Geriatric Medicine and Gerontology, Johns Hopkins Bayview Medical Center, Baltimore, Maryland
JAMA. 2014;312(2):191. doi:10.1001/jama.2014.6222

To the Editor In their Grand Rounds article, Drs Elias and Shah1 defined tremor “as a rhythmic and involuntary movement of any body part.”

They listed dystonic tremors but noted that these are irregular (not rhythmic), and they excluded clonus, which is a rhythmic and involuntary movement. Could Elias and Shah provide a definition that is consistent with their categorization?

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