Stereotactic/Functional Neurosurgery
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A tremor is a regular, rhythmic oscillation produced by alternating contraction of agonist and antagonist muscles. It usually affects the extremities,head, tongue or jaw. It is usually present only during wakefulness. Tremor can occur at rest or during voluntary activities depending upon the cause.

Rest tremor typically occurs with Parkinson's Disease. Action tremor occurs during voluntary activity and is seen with Essential Tremor, MS tremor and post-brain injury tremor. Thirty percent of all patients with Parkinson's Disease will have an action tremor together with a rest tremor.

The initial treatment in all of these conditions involves medications. In a number of patients the medication(s) become ineffective or there are intolerable side effects.In these instances surgery is a potential option. At the HSC thalamic DBS and thalamotomy are available.

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