title: Rapid tremor frequency assessment with the iPhone accelerometer.
abstract: 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.
authors.affiliation: Department of Physiology, Anatomy, and Genetics, Oxford University, UK. raed.joundi@magd.ox.ac.uk
authors.forename: Raed A
authors.initials: RA
authors.lastname: Joundi
authors.forename: John-Stuart
authors.initials: JS
authors.lastname: Brittain
authors.forename: Ned
authors.initials: N
authors.lastname: Jenkinson
authors.forename: Alexander L
authors.initials: AL
authors.lastname: Green
authors.forename: Tipu
authors.initials: T
authors.lastname: Aziz
mesh_terms: D000054:Acceleration; D000328:Adult; D000368:Aged; D040421:Cell Phone / Q000295:instrumentation; D004568:Electrodiagnosis / Q000295:instrumentation* / Q000379:methods; D005260:Female; D006801:Humans; D008297:Male; D014202:Tremor / Q000175:diagnosis*