Essential Tremor
Essential Tremor
Essential Tremor (pronunciation: eh-SEN-shul TREM-or), also known as benign essential tremor, is a neurological disorder that causes involuntary and rhythmic shaking. It can affect almost any part of your body, but the trembling occurs most often in your hands — especially when you do simple tasks, such as drinking from a glass or tying shoelaces.
Etymology
The term "Essential Tremor" is derived from the Latin word "essentia", meaning "being", and the Latin word "tremor", meaning "shaking". The term "benign" is used to differentiate it from more serious conditions with similar symptoms, such as Parkinson's disease.
Symptoms
Essential Tremor is characterized by rhythmic, involuntary shaking of one or more body parts, most commonly the hands. The tremor may also affect the arms, head, eyelids, or other muscles. The tremor may be worse when the muscles are in use (action tremor) and may be less noticeable when the muscles are at rest.
Causes
The exact cause of Essential Tremor is unknown. However, it is believed to be caused by abnormalities in the brain's cerebellum and its connections with other brain structures. This disorder tends to run in families, suggesting a genetic component.
Treatment
Treatment for Essential Tremor may include medications, such as beta blockers or anti-seizure drugs, and in severe cases, surgery may be considered. Physical therapy may also be beneficial.
Related Terms
- Neurological disorder
- Cerebellum
- Parkinson's disease
- Beta blockers
- Anti-seizure drugs
- Physical therapy
External links
- Medical encyclopedia article on Essential Tremor
- Wikipedia's article - Essential Tremor
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