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LETTERS TO THE EDITOR |
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| Year : 2021 | Volume
: 24
| Issue : 1 | Page : 116 |
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Helmet tremor: A rare dystonic tremor
Jidhin Raj, Jacob George, Mohamed Raffique, Neethu Suresh, Ajay Radhakrishnan
Department of Neurology, Govt Medical College, Kottayam, Kerala, India
| Date of Submission | 07-Mar-2020 |
| Date of Acceptance | 13-Apr-2020 |
| Date of Web Publication | 08-Oct-2020 |
Correspondence Address:
Dr. Jidhin Raj
Department of Neurology, Govt. Medical College, Kottayam, Kerala
India
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/aian.AIAN_158_20
How to cite this article:
Raj J, George J, Raffique M, Suresh N, Radhakrishnan A. Helmet tremor: A rare dystonic tremor. Ann Indian Acad Neurol 2021;24:116 |
A 63-year-old gentleman noticed tremulousness of head while wearing helmet from 1 year when he started using a helmet. On examination he had head tilt to right and his left sternocleidomastoid was slightly hypertrophied.[1] There was a yesyes head tremor which was present only while wearing the helmet, as shown in video. This tremor subsides when he touches his chin suggesting a sensory trick or geste antagoniste,[2] as shown in [Video].
Declaration of patient consent
The authors certify that they have obtained all appropriate patient consent forms. In the form the patient(s) has/have given his/her/their consent for his/her/their images and other clinical information to be reported in the journal. The patients understand that their names and initials will not be published and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.
Financial support and sponsorship
Nil.
Conflicts of interest
There are no conflicts of interest.
 References | |  |
| 1. | Albanese A, Bhatia K, Bressman SB, Delong MR, Fahn S, Fung VSC, et al. Phenomenology and classification of dystonia: A consensus update. MovDisord 2013;28:863-73.  |
| 2. | Bhatia KP, Bain P, Bajaj N, Elble RJ, Hallett M, Louis ED, et al. Consensus statement on the classification of tremors from the task force on tremor of the International parkinsonand movement disorder society. MovDisord 2018;33:75-87. |
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