Electrophysiological Study of the Effects of Limb Cooling on Essential Tremor
Electrophysiological Study of the Effects of Limb Cooling on Essential Tremor
To determine the effects of upper limb forearm cooling on Essential Tremor upper limb tremor
 using a more practical method of limb cooling through a forearm cold pack.
Inclusion Criteria:

 -  Patients with clinical diagnosis of E.T. for at least a year by a movement disorder
 neurologist

 -  A +2 or worse action or kinetic tremor of one or both upper limbs involving at least
 the forearm and/or hand

 -  Ages 18 to 95 years old

 Exclusion Criteria:

 -  (+) sensory loss in the upper extremities

 -  dermatologic lesions in upper extremities (e.g. skin cancer, eczema, fresh or healing
 wounds, abrasions, acne, pustules, abscesses, or skin rash)

 -  known history of sensitivity to cold (i.e., cold urticaria)

 -  known peripheral vascular disease

 -  Raynaud's phenomenon

 -  scleroderma