REFLEX phenomena elicited by visceral pain may be helpful as an objective demonstration of pathologic conditions associated with pain. Such a demonstration seems particularly desirable in children in whom an exact description of the pain phenomena is not obtainable and where also a definite delineation of Head's hyperalgetic zones usually is not possible. In adults, the study of skin potentials has been useful for the objective demonstration of pain in that these potentials were frequently found increased in areas corresponding to diseased visceral organs (viscerogalvanic reaction, Spiegel and Wohl,1 Portnoy,2 Morrison and Spiegel3). It seemed, therefore, of interest to apply the study of skin potentials to visceral diseases in children. Besides the practical question as to whether the viscerogalvanic reaction is demonstrable in children, it seemed of interest to analyze the mechanism of this reaction. Therefore, the skin potentials in various dermatomes were compared with the resistance
BAIRD HW, STANTON L, SPIEGEL EA. SEGMENTAL DIFFERENCES OF SKIN POTENTIALS AND OF SKIN RESISTANCE INDUCED BY VISCERAL PAIN: Studies in Children. AMA Am J Dis Child. 1954;87(5):607–614. doi:10.1001/archpedi.1954.02050090595010
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