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Characterizing Orthostatic Tremor Using a Smartphone Application Cover

Characterizing Orthostatic Tremor Using a Smartphone Application

Tremor and Other Hyperkinetic Movements
Volume 7 (2017): Issue 0
By: Arjun Balachandar and  Alfonso Fasano  
Open Access
|Jul 2017

Figures & Tables

Video 1

Video of the OT Patient. On examination, the patient experienced a variable tremor at rest of the left hand and bilateral action tremor. When standing she reported unsteadiness and a subtle symmetrical tremor in both legs was observed. This tremor decreased when the patient was walking, and even more so when running.

tre-07-488-7522-1-g001.jpg
Figure 1

Fast Fourier Transform of Orthostatic Tremor Accelerometer Recordings. Tremor was recorded from the lower leg using a smartphone placed in the patient’s sock. There is a 16.4 Hz Y-axis peak present in both legs, a feature characteristic of orthostatic tremor.

DOI: https://doi.org/10.5334/tohm.385 | Journal eISSN: 2160-8288
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Language: English
Submitted on: Jun 11, 2017
Accepted on: Jun 30, 2017
Published on: Jul 18, 2017
Published by: Columbia University Libraries/Information Services
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year
Keywords:
Accelerometer,
diagnosis,
orthostatic tremor,
smartphone,
wearable

© 2017 Arjun Balachandar, Alfonso Fasano, published by Columbia University Libraries/Information Services
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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