DEMONSTRATION OF VISCERAL PAIN BY DETERMINATION OF SKIN POTENTIALS

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Abstract
The study of skin potentials may be an objective method useful in the evaluation of visceral pain. In 74% of the 31 cases with pain accompanying proved organic visceral disease, there was an increase of the skin potentials in the respective dermatomes over the remainder of the body by 10 or more millivolts. Twenty-seven cases with pain of psychogenic origin or healed organic disease revealed two single instances showing potential increases of 8 and 9 millivolts respectively, while the other 25 cases gave no increase of potentials.

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