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These guidelines cover isolated tremor, there is a separate guideline for Suspected Parkinson's Disease.
Tremor is the most common of all movement disorders, occurring from time to time in most normal individuals in the form of exaggerated physiologic tremor.
Essential Tremor is the most common neurologic disorder that causes postural or action tremor, with an estimated prevalence worldwide of up to 5 percent of the population.
The incidence of Essential Tremor (ET) increases with age, although it often affects young individuals, especially when it is familial.
It varies from a low amplitude, high frequency postural tremor of the hands to a much larger amplitude, postural and action tremor that is activated by particular postures and actions.
Essential Tremor (ET) most often affects the hands and arms and can be asymmetric. It can also affect the head, voice, chin, trunk, and legs.
Pertinent details of the tremor:
Thyroid function test