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Bicycle ergometer test to obtain adequate skin temperature when measuring nerve conduction velocity.

Journal article
Authors Helena Sandén
Micael Edblom
Mats Hagberg
Gunnar B Wallin
Published in Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology
Volume 116
Issue 1
Pages 25-7
ISSN 1388-2457
Publication year 2005
Published at Institute of Clinical Neurosciences
Institute of Internal Medicine, Dept of Medicine
Pages 25-7
Language en
Keywords Adult, Aged, Exercise Test, methods, Female, Humans, Middle Aged, Neural Conduction, physiology, Skin Temperature, physiology
Subject categories Medical and Health Sciences


OBJECTIVE: To achieve optimal diagnostic accuracy, measurements of nerve conduction velocity require standardised tissue temperatures. To warm an extremity to a desired temperature that remains constant during the measurement may be difficult, especially in subjects with low finger temperatures. The aim of this study was to investigate if a submaximal bicycle ergometer test before the examination would be a useful method of obtaining high and stable finger temperatures during nerve conduction studies in the hand. METHODS: 114 women aged 25-65 (median 44) performed a bicycle ergometer test on an electrically braked bicycle ergometer (Siemens-Elema) before they underwent a nerve conduction test. RESULTS: Before cycling, the mean finger temperature was 28.1 degrees C (range 20.5-35.4 degrees C) and 15 min after the test 35.1 degrees C (range 30.3-36.9 degrees C). The levels remained almost constant throughout the nerve conduction examination, which had a duration of approximately 25 min. CONCLUSIONS: A bicycle ergometer test proved to be a simple and effective method of raising hand temperature.

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