[The caloric vestibular examination: a simplified technique and its normal values (author's transl)]
[Article in
German]
- PMID: 908657
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[The caloric vestibular examination: a simplified technique and its normal values (author's transl)]
[Article in
German]
HNO.
1977 Sep.
Abstract
A simple modification of caloric vestibular stimulation and its documentation is described to improve the coordination of vestibular investigation in clinics and practice. A volume of 50 cc. 30 degrees and 44 degrees C water is used to irrigate the ear and is administered within a 10 s period. The patient is then evaluated for the rate and duration of nystagmus, using Frenzel lenses. 1182 patients were investigated in this manner and their results were computerized. It was then shown that irrigation with 30 degrees C water was followed by a greater nystagmus reaction (including vertigo and vegetative signs) than with the 44 degrees water.
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