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The physician is often seeking more efficient ways of performing patient assessments. Currently, measuring tremor frequency requires expensive and bulky equipment. We propose the use of the in-built accelerometer of the iPhone via the iSeismo application for rapid measurement of tremor frequency. We use this device in a series of 7 different tremor cases, and show that the frequency measurements on the iSeismo graph closely match the more sophisticated EMG analysis during tremor. This is a preliminary confirmation of the usefulness of this device in the clinical setting for quick assessment of the dominant frequency component in a variety of tremors.

Original publication

DOI

10.1016/j.parkreldis.2011.01.001

Type

Journal article

Journal

Parkinsonism Relat Disord

Publication Date

05/2011

Volume

17

Pages

288 - 290

Keywords

Acceleration, Adult, Aged, Cell Phones, Electrodiagnosis, Female, Humans, Male, Tremor