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Lookup NU author(s): Emeritus Professor Alan MurrayORCiD
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This paper describes the application of sway magnetometry, which objectively measures stability, to assist in the identification of non-organic instability. Three subject groups were studied; 14 normal subjects, 14 subjects with organic dizziness, and 19 subjects assessed as having possible non-organic dizziness before further clinical investigation. Eight of these 19 were subsequently classed as having non-organic dizziness on grounds of their history, clinical examination and standard audio-vestibular investigations. Movement in the horizontal plane at the hips was measured by sway magnetometry in each subject. The absolute and percentage change in path length and area were determined for 15 s before and 15 s after the subject was informed that the test was starting. For absolute path length and area, live out of, the eight subjects with nonorganic dizziness showed an increase in sway above the upper limit of normal, while only one out of the other 11 subjects in the group showed such an increase (P
Author(s): FitzGerald JE, Birchall JP, Murray A
Publication type: Article
Publication status: Published
Journal: BRITISH JOURNAL OF AUDIOLOGY
Year: 1997
Volume: 31
Issue: 4
Pages: 275-282
Print publication date: 01/08/1997
ISSN (print):
ISSN (electronic):
