Essential Tremor

Essential tremor is chronic progressive neurological disease ( or perhaps family of diseases ) whose primary clinical feature is kinetic tremor of upper limbs , voice , head , face , chin , legs or a combination of these symptoms

A new term ET- Plus was coined in 2018 and classifies ET into two groups individuals with primary feature of ET - kinetic tremor individuals with additional neurological signs such as mild impaired memory , impaired tandem gait , subtle dystonic posturing , rest tremor or other neurological signs of unknown significanceThe two may co-exist within the same individual and having one seems to increase the risk of developing another.

ET is the most common tremor disorder worldwide ET is more prevalent than Parkinson's disease or Alzheimer's disease Metanalysis has shown- overall prevalence of 0.4 % to 0.9 % for all ages- 4.6 % to 6.3 % in populations above 65 ET prevalence increases with age ( as with most movement disorders ) Two peaks have been reported- young onset ( < 25 ) often with a + ve family history and alcohol responsiveness- late onset ( > 65 ) Children and young people can also be affected by ET...