Electrical activity of the gastric antrum in man

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Abstract
The electrical activity of the gastric antrum, up to 6 cm. from the pylorus, has been studied at operation by means of electrodes implanted through the serosa in 68 patients; electrodes were also attached to the mucosa in 13. Records made from the mucosal electrodes show the same frequency as the serosal electrodes. Control records made in 12 patients with gall-stones showed a frequency of electrical waves in the region of 3 per minute (median 2.85 cycles per minute), which is significantly less than the frequency in 11 patients with gastric cancer, in 8 patients with gastric ulcer, and in 24 patients with duodenal ulcer.

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