[Diagnosis and management of essential tremor].

Essential tremor (ET) is the most common extrapyramidal disease and one of the most frequent neurological diseases. The main presentation of ET is a progressive bilateral (kinetic-postural) hand tremor. The prevalence in people over 65 years is 5%, it increases with age up to 22% in people over 95 years. About half of patients with ET have family history. The modern concepts of the pathogenesis, clinical features and differential diagnosis are considered. Possible methods of medical and surgical management are described.